Finding the Fourth Proportional to 115,801,841.40, 173,708,348.68 and 38,077,024.62
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Solution
The fourth proportional to 115,801,841.40, 173,708,348.68 and 38,077,024.62 is: 57,117,373.87
Step by Step Solution
- Step 1: Write the proportion equation
115,801,841.40 : 173,708,348.68 = 38,077,024.62 : x - Step 2: Convert to fraction form
115,801,841.40/173,708,348.68 = 38,077,024.62/x - Step 3: Cross multiply
115,801,841.40x = 173,708,348.68 × 38,077,024.62 - Step 4: Simplify right side
115,801,841.40x = 6,614,297,070,086,908 - Step 5: Solve for x
x = 6,614,297,070,086,908/115,801,841.40 - Step 6: Final answer
x = 57,117,373.87
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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.