Home / 147,258,007.20-220,887,010.80-50,181,451.20

Finding the Fourth Proportional to 147,258,007.20, 220,887,010.80 and 50,181,451.20

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Solution

The fourth proportional to 147,258,007.20, 220,887,010.80 and 50,181,451.20 is: 75,272,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258,007.20 : 220,887,010.80 = 50,181,451.20 : x
  2. Step 2: Convert to fraction form
    147,258,007.20/220,887,010.80 = 50,181,451.20/x
  3. Step 3: Cross multiply
    147,258,007.20x = 220,887,010.80 × 50,181,451.20
  4. Step 4: Simplify right side
    147,258,007.20x = 11,084,430,753,174,074
  5. Step 5: Solve for x
    x = 11,084,430,753,174,074/147,258,007.20
  6. Step 6: Final answer
    x = 75,272,176.80

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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.