Home / 51,988,489.20-78,150,695.40-47,957,410.80

Finding the Fourth Proportional to 51,988,489.20, 78,150,695.40 and 47,957,410.80

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Solution

The fourth proportional to 51,988,489.20, 78,150,695.40 and 47,957,410.80 is: 72,091,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,489.20 : 78,150,695.40 = 47,957,410.80 : x
  2. Step 2: Convert to fraction form
    51,988,489.20/78,150,695.40 = 47,957,410.80/x
  3. Step 3: Cross multiply
    51,988,489.20x = 78,150,695.40 × 47,957,410.80
  4. Step 4: Simplify right side
    51,988,489.20x = 3,747,905,003,603,470.50
  5. Step 5: Solve for x
    x = 3,747,905,003,603,470.50/51,988,489.20
  6. Step 6: Final answer
    x = 72,091,054.41

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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.