Home / 81,648,022.80-122,472,034.20-24,140,857.80

Finding the Fourth Proportional to 81,648,022.80, 122,472,034.20 and 24,140,857.80

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Solution

The fourth proportional to 81,648,022.80, 122,472,034.20 and 24,140,857.80 is: 36,211,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,022.80 : 122,472,034.20 = 24,140,857.80 : x
  2. Step 2: Convert to fraction form
    81,648,022.80/122,472,034.20 = 24,140,857.80/x
  3. Step 3: Cross multiply
    81,648,022.80x = 122,472,034.20 × 24,140,857.80
  4. Step 4: Simplify right side
    81,648,022.80x = 2,956,579,962,098,937
  5. Step 5: Solve for x
    x = 2,956,579,962,098,937/81,648,022.80
  6. Step 6: Final answer
    x = 36,211,286.70

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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.