Home / 82,088,052.70-123,132,079.05-21,509,902.30

Finding the Fourth Proportional to 82,088,052.70, 123,132,079.05 and 21,509,902.30

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Solution

The fourth proportional to 82,088,052.70, 123,132,079.05 and 21,509,902.30 is: 32,264,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,088,052.70 : 123,132,079.05 = 21,509,902.30 : x
  2. Step 2: Convert to fraction form
    82,088,052.70/123,132,079.05 = 21,509,902.30/x
  3. Step 3: Cross multiply
    82,088,052.70x = 123,132,079.05 × 21,509,902.30
  4. Step 4: Simplify right side
    82,088,052.70x = 2,648,558,990,361,377
  5. Step 5: Solve for x
    x = 2,648,558,990,361,377/82,088,052.70
  6. Step 6: Final answer
    x = 32,264,853.45

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Similar ratio
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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.