Home / 80,172,294.30-110,639,052.09-43,502,865.30

Finding the Fourth Proportional to 80,172,294.30, 110,639,052.09 and 43,502,865.30

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Solution

The fourth proportional to 80,172,294.30, 110,639,052.09 and 43,502,865.30 is: 60,034,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172,294.30 : 110,639,052.09 = 43,502,865.30 : x
  2. Step 2: Convert to fraction form
    80,172,294.30/110,639,052.09 = 43,502,865.30/x
  3. Step 3: Cross multiply
    80,172,294.30x = 110,639,052.09 × 43,502,865.30
  4. Step 4: Simplify right side
    80,172,294.30x = 4,813,115,779,990,953
  5. Step 5: Solve for x
    x = 4,813,115,779,990,953/80,172,294.30
  6. Step 6: Final answer
    x = 60,034,651.90

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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.