Home / 89,642,983.37-123,704,050.86-49,948,462.85

Finding the Fourth Proportional to 89,642,983.37, 123,704,050.86 and 49,948,462.85

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Solution

The fourth proportional to 89,642,983.37, 123,704,050.86 and 49,948,462.85 is: 68,927,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,983.37 : 123,704,050.86 = 49,948,462.85 : x
  2. Step 2: Convert to fraction form
    89,642,983.37/123,704,050.86 = 49,948,462.85/x
  3. Step 3: Cross multiply
    89,642,983.37x = 123,704,050.86 × 49,948,462.85
  4. Step 4: Simplify right side
    89,642,983.37x = 6,178,827,188,156,700
  5. Step 5: Solve for x
    x = 6,178,827,188,156,700/89,642,983.37
  6. Step 6: Final answer
    x = 68,927,058.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.