Home / 82,919,023.23-124,378,576.38-28,332,143.97

Finding the Fourth Proportional to 82,919,023.23, 124,378,576.38 and 28,332,143.97

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Solution

The fourth proportional to 82,919,023.23, 124,378,576.38 and 28,332,143.97 is: 42,498,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919,023.23 : 124,378,576.38 = 28,332,143.97 : x
  2. Step 2: Convert to fraction form
    82,919,023.23/124,378,576.38 = 28,332,143.97/x
  3. Step 3: Cross multiply
    82,919,023.23x = 124,378,576.38 × 28,332,143.97
  4. Step 4: Simplify right side
    82,919,023.23x = 3,523,911,732,159,908.50
  5. Step 5: Solve for x
    x = 3,523,911,732,159,908.50/82,919,023.23
  6. Step 6: Final answer
    x = 42,498,230.14

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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.