Finding the Fourth Proportional to 93,687,217.74, 129,272,934.96 and 58,855,240.80
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Solution
The fourth proportional to 93,687,217.74, 129,272,934.96 and 58,855,240.80 is: 81,210,541.84
Step by Step Solution
- Step 1: Write the proportion equation
93,687,217.74 : 129,272,934.96 = 58,855,240.80 : x - Step 2: Convert to fraction form
93,687,217.74/129,272,934.96 = 58,855,240.80/x - Step 3: Cross multiply
93,687,217.74x = 129,272,934.96 × 58,855,240.80 - Step 4: Simplify right side
93,687,217.74x = 7,608,389,715,993,538 - Step 5: Solve for x
x = 7,608,389,715,993,538/93,687,217.74 - Step 6: Final answer
x = 81,210,541.84
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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.