Finding the Fourth Proportional to 211,307,909.87, 316,813,351.90 and 93,076,569.84
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Solution
The fourth proportional to 211,307,909.87, 316,813,351.90 and 93,076,569.84 is: 139,549,438.03
Step by Step Solution
- Step 1: Write the proportion equation
211,307,909.87 : 316,813,351.90 = 93,076,569.84 : x - Step 2: Convert to fraction form
211,307,909.87/316,813,351.90 = 93,076,569.84/x - Step 3: Cross multiply
211,307,909.87x = 316,813,351.90 × 93,076,569.84 - Step 4: Simplify right side
211,307,909.87x = 29,487,900,073,899,464 - Step 5: Solve for x
x = 29,487,900,073,899,464/211,307,909.87 - Step 6: Final answer
x = 139,549,438.03
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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.