Finding the Fourth Proportional to 125,231,430.17, 172,799,884.24 and 71,585,325.48
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Solution
The fourth proportional to 125,231,430.17, 172,799,884.24 and 71,585,325.48 is: 98,776,608.55
Step by Step Solution
- Step 1: Write the proportion equation
125,231,430.17 : 172,799,884.24 = 71,585,325.48 : x - Step 2: Convert to fraction form
125,231,430.17/172,799,884.24 = 71,585,325.48/x - Step 3: Cross multiply
125,231,430.17x = 172,799,884.24 × 71,585,325.48 - Step 4: Simplify right side
125,231,430.17x = 12,369,935,956,226,724 - Step 5: Solve for x
x = 12,369,935,956,226,724/125,231,430.17 - Step 6: Final answer
x = 98,776,608.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.