Finding the Fourth Proportional to 68,053,491.99, 93,910,125.47 and 38,680,748.19
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Solution
The fourth proportional to 68,053,491.99, 93,910,125.47 and 38,680,748.19 is: 53,377,333.17
Step by Step Solution
- Step 1: Write the proportion equation
68,053,491.99 : 93,910,125.47 = 38,680,748.19 : x - Step 2: Convert to fraction form
68,053,491.99/93,910,125.47 = 38,680,748.19/x - Step 3: Cross multiply
68,053,491.99x = 93,910,125.47 × 38,680,748.19 - Step 4: Simplify right side
68,053,491.99x = 3,632,513,915,602,971.50 - Step 5: Solve for x
x = 3,632,513,915,602,971.50/68,053,491.99 - Step 6: Final answer
x = 53,377,333.17
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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.