Finding the Fourth Proportional to 211,307,912.12, 316,813,355.27 and 93,076,572.10
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Solution
The fourth proportional to 211,307,912.12, 316,813,355.27 and 93,076,572.10 is: 139,549,441.41
Step by Step Solution
- Step 1: Write the proportion equation
211,307,912.12 : 316,813,355.27 = 93,076,572.10 : x - Step 2: Convert to fraction form
211,307,912.12/316,813,355.27 = 93,076,572.10/x - Step 3: Cross multiply
211,307,912.12x = 316,813,355.27 × 93,076,572.10 - Step 4: Simplify right side
211,307,912.12x = 29,487,901,101,981,620 - Step 5: Solve for x
x = 29,487,901,101,981,620/211,307,912.12 - Step 6: Final answer
x = 139,549,441.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.