Home / 120,765,337.20-181,006,288.20-51,678,007.20

Finding the Fourth Proportional to 120,765,337.20, 181,006,288.20 and 51,678,007.20

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Solution

The fourth proportional to 120,765,337.20, 181,006,288.20 and 51,678,007.20 is: 77,456,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,765,337.20 : 181,006,288.20 = 51,678,007.20 : x
  2. Step 2: Convert to fraction form
    120,765,337.20/181,006,288.20 = 51,678,007.20/x
  3. Step 3: Cross multiply
    120,765,337.20x = 181,006,288.20 × 51,678,007.20
  4. Step 4: Simplify right side
    120,765,337.20x = 9,354,044,264,844,874
  5. Step 5: Solve for x
    x = 9,354,044,264,844,874/120,765,337.20
  6. Step 6: Final answer
    x = 77,456,366.88

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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.