Finding the Fourth Proportional to 117,612,138.10, 176,418,207.15 and 113,148,033.70
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Solution
The fourth proportional to 117,612,138.10, 176,418,207.15 and 113,148,033.70 is: 169,722,050.55
Step by Step Solution
- Step 1: Write the proportion equation
117,612,138.10 : 176,418,207.15 = 113,148,033.70 : x - Step 2: Convert to fraction form
117,612,138.10/176,418,207.15 = 113,148,033.70/x - Step 3: Cross multiply
117,612,138.10x = 176,418,207.15 × 113,148,033.70 - Step 4: Simplify right side
117,612,138.10x = 19,961,373,247,901,784 - Step 5: Solve for x
x = 19,961,373,247,901,784/117,612,138.10 - Step 6: Final answer
x = 169,722,050.55
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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.