Home / 82,811,900.09-124,240,894.61-36,129,470.65

Finding the Fourth Proportional to 82,811,900.09, 124,240,894.61 and 36,129,470.65

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Solution

The fourth proportional to 82,811,900.09, 124,240,894.61 and 36,129,470.65 is: 54,204,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,900.09 : 124,240,894.61 = 36,129,470.65 : x
  2. Step 2: Convert to fraction form
    82,811,900.09/124,240,894.61 = 36,129,470.65/x
  3. Step 3: Cross multiply
    82,811,900.09x = 124,240,894.61 × 36,129,470.65
  4. Step 4: Simplify right side
    82,811,900.09x = 4,488,757,754,850,489
  5. Step 5: Solve for x
    x = 4,488,757,754,850,489/82,811,900.09
  6. Step 6: Final answer
    x = 54,204,259.90

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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.