Finding the Fourth Proportional to 95,558,151.26, 142,639,616.12 and 81,998,434.15
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Solution
The fourth proportional to 95,558,151.26, 142,639,616.12 and 81,998,434.15 is: 122,399,031.52
Step by Step Solution
- Step 1: Write the proportion equation
95,558,151.26 : 142,639,616.12 = 81,998,434.15 : x - Step 2: Convert to fraction form
95,558,151.26/142,639,616.12 = 81,998,434.15/x - Step 3: Cross multiply
95,558,151.26x = 142,639,616.12 × 81,998,434.15 - Step 4: Simplify right side
95,558,151.26x = 11,696,225,168,830,508 - Step 5: Solve for x
x = 11,696,225,168,830,508/95,558,151.26 - Step 6: Final answer
x = 122,399,031.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.