Finding the Fourth Proportional to 98,487,082.26, 135,919,206.63 and 54,433,134.78
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Solution
The fourth proportional to 98,487,082.26, 135,919,206.63 and 54,433,134.78 is: 75,121,613.15
Step by Step Solution
- Step 1: Write the proportion equation
98,487,082.26 : 135,919,206.63 = 54,433,134.78 : x - Step 2: Convert to fraction form
98,487,082.26/135,919,206.63 = 54,433,134.78/x - Step 3: Cross multiply
98,487,082.26x = 135,919,206.63 × 54,433,134.78 - Step 4: Simplify right side
98,487,082.26x = 7,398,508,493,681,459 - Step 5: Solve for x
x = 7,398,508,493,681,459/98,487,082.26 - Step 6: Final answer
x = 75,121,613.15
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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.