Finding the Fourth Proportional to 51,580,428.90, 71,181,583.02 and 29,553,487.08
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Solution
The fourth proportional to 51,580,428.90, 71,181,583.02 and 29,553,487.08 is: 40,784,150.87
Step by Step Solution
- Step 1: Write the proportion equation
51,580,428.90 : 71,181,583.02 = 29,553,487.08 : x - Step 2: Convert to fraction form
51,580,428.90/71,181,583.02 = 29,553,487.08/x - Step 3: Cross multiply
51,580,428.90x = 71,181,583.02 × 29,553,487.08 - Step 4: Simplify right side
51,580,428.90x = 2,103,663,994,115,517.25 - Step 5: Solve for x
x = 2,103,663,994,115,517.25/51,580,428.90 - Step 6: Final answer
x = 40,784,150.87
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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.