Finding the Fourth Proportional to 135,960,306.57, 187,625,250.08 and 74,080,645.14
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Solution
The fourth proportional to 135,960,306.57, 187,625,250.08 and 74,080,645.14 is: 102,231,305.00
Step by Step Solution
- Step 1: Write the proportion equation
135,960,306.57 : 187,625,250.08 = 74,080,645.14 : x - Step 2: Convert to fraction form
135,960,306.57/187,625,250.08 = 74,080,645.14/x - Step 3: Cross multiply
135,960,306.57x = 187,625,250.08 × 74,080,645.14 - Step 4: Simplify right side
135,960,306.57x = 13,899,399,569,406,238 - Step 5: Solve for x
x = 13,899,399,569,406,238/135,960,306.57 - Step 6: Final answer
x = 102,231,305.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.