Finding the Fourth Proportional to 69,149,983.27, 95,432,416.71 and 39,381,890.08
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Solution
The fourth proportional to 69,149,983.27, 95,432,416.71 and 39,381,890.08 is: 54,350,106.35
Step by Step Solution
- Step 1: Write the proportion equation
69,149,983.27 : 95,432,416.71 = 39,381,890.08 : x - Step 2: Convert to fraction form
69,149,983.27/95,432,416.71 = 39,381,890.08/x - Step 3: Cross multiply
69,149,983.27x = 95,432,416.71 × 39,381,890.08 - Step 4: Simplify right side
69,149,983.27x = 3,758,308,944,941,975 - Step 5: Solve for x
x = 3,758,308,944,941,975/69,149,983.27 - Step 6: Final answer
x = 54,350,106.35
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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.