David Musgrave follows up this previous post with another look at Currency values returned by VBA to a report are multiplied by 10 or 100 this time with Multicurrency.
Currency values returned by VBA to a report are multiplied by 10 or 100 with Multicurrency Follow-up
General Ledger & FinancialsReporting & BIDevelopment & Integration
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.