Finding the Fourth Proportional to 98,585,098.71, 135,335,020.17 and 84,622,213.02
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Solution
The fourth proportional to 98,585,098.71, 135,335,020.17 and 84,622,213.02 is: 116,167,139.41
Step by Step Solution
- Step 1: Write the proportion equation
98,585,098.71 : 135,335,020.17 = 84,622,213.02 : x - Step 2: Convert to fraction form
98,585,098.71/135,335,020.17 = 84,622,213.02/x - Step 3: Cross multiply
98,585,098.71x = 135,335,020.17 × 84,622,213.02 - Step 4: Simplify right side
98,585,098.71x = 11,452,348,905,891,734 - Step 5: Solve for x
x = 11,452,348,905,891,734/98,585,098.71 - Step 6: Final answer
x = 116,167,139.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.