Home / 82,448,001.20-123,672,001.80-52,289,562.80

Finding the Fourth Proportional to 82,448,001.20, 123,672,001.80 and 52,289,562.80

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Solution

The fourth proportional to 82,448,001.20, 123,672,001.80 and 52,289,562.80 is: 78,434,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448,001.20 : 123,672,001.80 = 52,289,562.80 : x
  2. Step 2: Convert to fraction form
    82,448,001.20/123,672,001.80 = 52,289,562.80/x
  3. Step 3: Cross multiply
    82,448,001.20x = 123,672,001.80 × 52,289,562.80
  4. Step 4: Simplify right side
    82,448,001.20x = 6,466,754,904,722,813
  5. Step 5: Solve for x
    x = 6,466,754,904,722,813/82,448,001.20
  6. Step 6: Final answer
    x = 78,434,344.20

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1.5x scale

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.