Home / 123,777,281.37-185,672,089.17-47,106,251.85

Finding the Fourth Proportional to 123,777,281.37, 185,672,089.17 and 47,106,251.85

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Solution

The fourth proportional to 123,777,281.37, 185,672,089.17 and 47,106,251.85 is: 70,661,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,281.37 : 185,672,089.17 = 47,106,251.85 : x
  2. Step 2: Convert to fraction form
    123,777,281.37/185,672,089.17 = 47,106,251.85/x
  3. Step 3: Cross multiply
    123,777,281.37x = 185,672,089.17 × 47,106,251.85
  4. Step 4: Simplify right side
    123,777,281.37x = 8,746,316,193,957,677
  5. Step 5: Solve for x
    x = 8,746,316,193,957,677/123,777,281.37
  6. Step 6: Final answer
    x = 70,661,724.81

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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.