Finding the Fourth Proportional to 61,458,137.80, 92,187,206.70 and 58,623,785.80
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Solution
The fourth proportional to 61,458,137.80, 92,187,206.70 and 58,623,785.80 is: 87,935,678.70
Step by Step Solution
- Step 1: Write the proportion equation
61,458,137.80 : 92,187,206.70 = 58,623,785.80 : x - Step 2: Convert to fraction form
61,458,137.80/92,187,206.70 = 58,623,785.80/x - Step 3: Cross multiply
61,458,137.80x = 92,187,206.70 × 58,623,785.80 - Step 4: Simplify right side
61,458,137.80x = 5,404,363,059,081,125 - Step 5: Solve for x
x = 5,404,363,059,081,125/61,458,137.80 - Step 6: Final answer
x = 87,935,678.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.