Home / 50,063,391.28-75,126,678.08-21,309,480.72

Finding the Fourth Proportional to 50,063,391.28, 75,126,678.08 and 21,309,480.72

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Solution

The fourth proportional to 50,063,391.28, 75,126,678.08 and 21,309,480.72 is: 31,977,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,063,391.28 : 75,126,678.08 = 21,309,480.72 : x
  2. Step 2: Convert to fraction form
    50,063,391.28/75,126,678.08 = 21,309,480.72/x
  3. Step 3: Cross multiply
    50,063,391.28x = 75,126,678.08 × 21,309,480.72
  4. Step 4: Simplify right side
    50,063,391.28x = 1,600,910,498,103,406.50
  5. Step 5: Solve for x
    x = 1,600,910,498,103,406.50/50,063,391.28
  6. Step 6: Final answer
    x = 31,977,667.86

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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.