Home / 56,728,970.70-85,187,934.45-31,188,309.90

Finding the Fourth Proportional to 56,728,970.70, 85,187,934.45 and 31,188,309.90

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Solution

The fourth proportional to 56,728,970.70, 85,187,934.45 and 31,188,309.90 is: 46,834,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728,970.70 : 85,187,934.45 = 31,188,309.90 : x
  2. Step 2: Convert to fraction form
    56,728,970.70/85,187,934.45 = 31,188,309.90/x
  3. Step 3: Cross multiply
    56,728,970.70x = 85,187,934.45 × 31,188,309.90
  4. Step 4: Simplify right side
    56,728,970.70x = 2,656,867,699,367,486
  5. Step 5: Solve for x
    x = 2,656,867,699,367,486/56,728,970.70
  6. Step 6: Final answer
    x = 46,834,406.95

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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.