Finding the Fourth Proportional to 451,657,221.43, 677,490,505.95 and 136,525,867.31
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Solution
The fourth proportional to 451,657,221.43, 677,490,505.95 and 136,525,867.31 is: 204,790,213.75
Step by Step Solution
- Step 1: Write the proportion equation
451,657,221.43 : 677,490,505.95 = 136,525,867.31 : x - Step 2: Convert to fraction form
451,657,221.43/677,490,505.95 = 136,525,867.31/x - Step 3: Cross multiply
451,657,221.43x = 677,490,505.95 × 136,525,867.31 - Step 4: Simplify right side
451,657,221.43x = 92,494,978,915,727,024 - Step 5: Solve for x
x = 92,494,978,915,727,024/451,657,221.43 - Step 6: Final answer
x = 204,790,213.75
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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.