Home / 82,644,900.30-123,967,350.45-25,137,079.20

Finding the Fourth Proportional to 82,644,900.30, 123,967,350.45 and 25,137,079.20

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Solution

The fourth proportional to 82,644,900.30, 123,967,350.45 and 25,137,079.20 is: 37,705,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,644,900.30 : 123,967,350.45 = 25,137,079.20 : x
  2. Step 2: Convert to fraction form
    82,644,900.30/123,967,350.45 = 25,137,079.20/x
  3. Step 3: Cross multiply
    82,644,900.30x = 123,967,350.45 × 25,137,079.20
  4. Step 4: Simplify right side
    82,644,900.30x = 3,116,177,106,475,805.50
  5. Step 5: Solve for x
    x = 3,116,177,106,475,805.50/82,644,900.30
  6. Step 6: Final answer
    x = 37,705,618.80

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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.