Finding the Fourth Proportional to 78,732,092.10, 118,098,138.15 and 44,294,715.30
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Solution
The fourth proportional to 78,732,092.10, 118,098,138.15 and 44,294,715.30 is: 66,442,072.95
Step by Step Solution
- Step 1: Write the proportion equation
78,732,092.10 : 118,098,138.15 = 44,294,715.30 : x - Step 2: Convert to fraction form
78,732,092.10/118,098,138.15 = 44,294,715.30/x - Step 3: Cross multiply
78,732,092.10x = 118,098,138.15 × 44,294,715.30 - Step 4: Simplify right side
78,732,092.10x = 5,231,123,406,814,319 - Step 5: Solve for x
x = 5,231,123,406,814,319/78,732,092.10 - Step 6: Final answer
x = 66,442,072.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.