Finding the Fourth Proportional to 71,126,346.31, 106,704,748.62 and 21,275,082.93
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Solution
The fourth proportional to 71,126,346.31, 106,704,748.62 and 21,275,082.93 is: 31,917,179.69
Step by Step Solution
- Step 1: Write the proportion equation
71,126,346.31 : 106,704,748.62 = 21,275,082.93 : x - Step 2: Convert to fraction form
71,126,346.31/106,704,748.62 = 21,275,082.93/x - Step 3: Cross multiply
71,126,346.31x = 106,704,748.62 × 21,275,082.93 - Step 4: Simplify right side
71,126,346.31x = 2,270,152,375,715,232 - Step 5: Solve for x
x = 2,270,152,375,715,232/71,126,346.31 - Step 6: Final answer
x = 31,917,179.69
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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.