Finding the Fourth Proportional to 71,272,037.96, 106,923,803.34 and 25,832,651.48
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Solution
The fourth proportional to 71,272,037.96, 106,923,803.34 and 25,832,651.48 is: 38,754,684.53
Step by Step Solution
- Step 1: Write the proportion equation
71,272,037.96 : 106,923,803.34 = 25,832,651.48 : x - Step 2: Convert to fraction form
71,272,037.96/106,923,803.34 = 25,832,651.48/x - Step 3: Cross multiply
71,272,037.96x = 106,923,803.34 × 25,832,651.48 - Step 4: Simplify right side
71,272,037.96x = 2,762,125,346,930,171.50 - Step 5: Solve for x
x = 2,762,125,346,930,171.50/71,272,037.96 - Step 6: Final answer
x = 38,754,684.53
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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.