Home / 82,919,022.73-124,378,575.63-28,332,143.47

Finding the Fourth Proportional to 82,919,022.73, 124,378,575.63 and 28,332,143.47

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Solution

The fourth proportional to 82,919,022.73, 124,378,575.63 and 28,332,143.47 is: 42,498,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919,022.73 : 124,378,575.63 = 28,332,143.47 : x
  2. Step 2: Convert to fraction form
    82,919,022.73/124,378,575.63 = 28,332,143.47/x
  3. Step 3: Cross multiply
    82,919,022.73x = 124,378,575.63 × 28,332,143.47
  4. Step 4: Simplify right side
    82,919,022.73x = 3,523,911,648,852,230.50
  5. Step 5: Solve for x
    x = 3,523,911,648,852,230.50/82,919,022.73
  6. Step 6: Final answer
    x = 42,498,229.39

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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.