Finding the Fourth Proportional to 90,287,073.68, 124,606,798.28 and 53,617,644.68
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Solution
The fourth proportional to 90,287,073.68, 124,606,798.28 and 53,617,644.68 is: 73,998,666.28
Step by Step Solution
- Step 1: Write the proportion equation
90,287,073.68 : 124,606,798.28 = 53,617,644.68 : x - Step 2: Convert to fraction form
90,287,073.68/124,606,798.28 = 53,617,644.68/x - Step 3: Cross multiply
90,287,073.68x = 124,606,798.28 × 53,617,644.68 - Step 4: Simplify right side
90,287,073.68x = 6,681,123,034,889,475 - Step 5: Solve for x
x = 6,681,123,034,889,475/90,287,073.68 - Step 6: Final answer
x = 73,998,666.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.