Finding the Fourth Proportional to 87,644,332,391.51, 131,551,511,326.20 and 42,296,953,417.62
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Solution
The fourth proportional to 87,644,332,391.51, 131,551,511,326.20 and 42,296,953,417.62 is: 63,486,457,078.89
Step by Step Solution
- Step 1: Write the proportion equation
87,644,332,391.51 : 131,551,511,326.20 = 42,296,953,417.62 : x - Step 2: Convert to fraction form
87,644,332,391.51/131,551,511,326.20 = 42,296,953,417.62/x - Step 3: Cross multiply
87,644,332,391.51x = 131,551,511,326.20 × 42,296,953,417.62 - Step 4: Simplify right side
87,644,332,391.51x = 5,564,228,146,581,791,047,680 - Step 5: Solve for x
x = 5,564,228,146,581,791,047,680/87,644,332,391.51 - Step 6: Final answer
x = 63,486,457,078.89
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1.5x scale
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.