Home / 278,129,234.20-417,193,851.30-134,802,002.20

Finding the Fourth Proportional to 278,129,234.20, 417,193,851.30 and 134,802,002.20

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Solution

The fourth proportional to 278,129,234.20, 417,193,851.30 and 134,802,002.20 is: 202,203,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,129,234.20 : 417,193,851.30 = 134,802,002.20 : x
  2. Step 2: Convert to fraction form
    278,129,234.20/417,193,851.30 = 134,802,002.20/x
  3. Step 3: Cross multiply
    278,129,234.20x = 417,193,851.30 × 134,802,002.20
  4. Step 4: Simplify right side
    278,129,234.20x = 56,238,566,460,769,072
  5. Step 5: Solve for x
    x = 56,238,566,460,769,072/278,129,234.20
  6. Step 6: Final answer
    x = 202,203,003.30

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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.