Finding the Fourth Proportional to 86,934,817.12, 130,406,691.12 and 22,239,182.56
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Solution
The fourth proportional to 86,934,817.12, 130,406,691.12 and 22,239,182.56 is: 33,359,916.16
Step by Step Solution
- Step 1: Write the proportion equation
86,934,817.12 : 130,406,691.12 = 22,239,182.56 : x - Step 2: Convert to fraction form
86,934,817.12/130,406,691.12 = 22,239,182.56/x - Step 3: Cross multiply
86,934,817.12x = 130,406,691.12 × 22,239,182.56 - Step 4: Simplify right side
86,934,817.12x = 2,900,138,210,863,211 - Step 5: Solve for x
x = 2,900,138,210,863,211/86,934,817.12 - Step 6: Final answer
x = 33,359,916.16
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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.