Finding the Fourth Proportional to 94,107,132.03, 129,877,961.57 and 56,957,856.42
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Solution
The fourth proportional to 94,107,132.03, 129,877,961.57 and 56,957,856.42 is: 78,607,966.56
Step by Step Solution
- Step 1: Write the proportion equation
94,107,132.03 : 129,877,961.57 = 56,957,856.42 : x - Step 2: Convert to fraction form
94,107,132.03/129,877,961.57 = 56,957,856.42/x - Step 3: Cross multiply
94,107,132.03x = 129,877,961.57 × 56,957,856.42 - Step 4: Simplify right side
94,107,132.03x = 7,397,570,287,226,338 - Step 5: Solve for x
x = 7,397,570,287,226,338/94,107,132.03 - Step 6: Final answer
x = 78,607,966.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.