Finding the Fourth Proportional to 84,686,031.12, 127,036,624.20 and 32,869,419
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Solution
The fourth proportional to 84,686,031.12, 127,036,624.20 and 32,869,419 is: 49,307,069.58
Step by Step Solution
- Step 1: Write the proportion equation
84,686,031.12 : 127,036,624.20 = 32,869,419 : x - Step 2: Convert to fraction form
84,686,031.12/127,036,624.20 = 32,869,419/x - Step 3: Cross multiply
84,686,031.12x = 127,036,624.20 × 32,869,419 - Step 4: Simplify right side
84,686,031.12x = 4,175,620,029,175,340 - Step 5: Solve for x
x = 4,175,620,029,175,340/84,686,031.12 - Step 6: Final answer
x = 49,307,069.58
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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.