Home / 261,326,179.80-391,970,374.02-124,974,952.92

Finding the Fourth Proportional to 261,326,179.80, 391,970,374.02 and 124,974,952.92

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Solution

The fourth proportional to 261,326,179.80, 391,970,374.02 and 124,974,952.92 is: 187,453,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,326,179.80 : 391,970,374.02 = 124,974,952.92 : x
  2. Step 2: Convert to fraction form
    261,326,179.80/391,970,374.02 = 124,974,952.92/x
  3. Step 3: Cross multiply
    261,326,179.80x = 391,970,374.02 × 124,974,952.92
  4. Step 4: Simplify right side
    261,326,179.80x = 48,986,479,039,184,288
  5. Step 5: Solve for x
    x = 48,986,479,039,184,288/261,326,179.80
  6. Step 6: Final answer
    x = 187,453,392.83

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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.