Home / 278,532,007.20-417,798,010.80-149,391,844.20

Finding the Fourth Proportional to 278,532,007.20, 417,798,010.80 and 149,391,844.20

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Solution

The fourth proportional to 278,532,007.20, 417,798,010.80 and 149,391,844.20 is: 224,087,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,532,007.20 : 417,798,010.80 = 149,391,844.20 : x
  2. Step 2: Convert to fraction form
    278,532,007.20/417,798,010.80 = 149,391,844.20/x
  3. Step 3: Cross multiply
    278,532,007.20x = 417,798,010.80 × 149,391,844.20
  4. Step 4: Simplify right side
    278,532,007.20x = 62,415,615,336,503,512
  5. Step 5: Solve for x
    x = 62,415,615,336,503,512/278,532,007.20
  6. Step 6: Final answer
    x = 224,087,766.30

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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.