Finding the Fourth Proportional to 61,159,141.80, 91,738,712.70 and 58,324,789.80
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Solution
The fourth proportional to 61,159,141.80, 91,738,712.70 and 58,324,789.80 is: 87,487,184.70
Step by Step Solution
- Step 1: Write the proportion equation
61,159,141.80 : 91,738,712.70 = 58,324,789.80 : x - Step 2: Convert to fraction form
61,159,141.80/91,738,712.70 = 58,324,789.80/x - Step 3: Cross multiply
61,159,141.80x = 91,738,712.70 × 58,324,789.80 - Step 4: Simplify right side
61,159,141.80x = 5,350,641,134,750,090 - Step 5: Solve for x
x = 5,350,641,134,750,090/61,159,141.80 - Step 6: Final answer
x = 87,487,184.70
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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.