Finding the Fourth Proportional to 192,472,337.70, 288,708,506.55 and 115,944,833.70
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Solution
The fourth proportional to 192,472,337.70, 288,708,506.55 and 115,944,833.70 is: 173,917,250.55
Step by Step Solution
- Step 1: Write the proportion equation
192,472,337.70 : 288,708,506.55 = 115,944,833.70 : x - Step 2: Convert to fraction form
192,472,337.70/288,708,506.55 = 115,944,833.70/x - Step 3: Cross multiply
192,472,337.70x = 288,708,506.55 × 115,944,833.70 - Step 4: Simplify right side
192,472,337.70x = 33,474,259,779,715,112 - Step 5: Solve for x
x = 33,474,259,779,715,112/192,472,337.70 - Step 6: Final answer
x = 173,917,250.55
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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.