Home / 120,765,331.20-181,006,279.20-51,678,001.20

Finding the Fourth Proportional to 120,765,331.20, 181,006,279.20 and 51,678,001.20

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Solution

The fourth proportional to 120,765,331.20, 181,006,279.20 and 51,678,001.20 is: 77,456,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,765,331.20 : 181,006,279.20 = 51,678,001.20 : x
  2. Step 2: Convert to fraction form
    120,765,331.20/181,006,279.20 = 51,678,001.20/x
  3. Step 3: Cross multiply
    120,765,331.20x = 181,006,279.20 × 51,678,001.20
  4. Step 4: Simplify right side
    120,765,331.20x = 9,354,042,713,705,134
  5. Step 5: Solve for x
    x = 9,354,042,713,705,134/120,765,331.20
  6. Step 6: Final answer
    x = 77,456,357.89

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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.