Home / 280,301,344.20-420,452,016.30-124,854,851.70

Finding the Fourth Proportional to 280,301,344.20, 420,452,016.30 and 124,854,851.70

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Solution

The fourth proportional to 280,301,344.20, 420,452,016.30 and 124,854,851.70 is: 187,282,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,301,344.20 : 420,452,016.30 = 124,854,851.70 : x
  2. Step 2: Convert to fraction form
    280,301,344.20/420,452,016.30 = 124,854,851.70/x
  3. Step 3: Cross multiply
    280,301,344.20x = 420,452,016.30 × 124,854,851.70
  4. Step 4: Simplify right side
    280,301,344.20x = 52,495,474,142,102,488
  5. Step 5: Solve for x
    x = 52,495,474,142,102,488/280,301,344.20
  6. Step 6: Final answer
    x = 187,282,277.55

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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.