Home / 42,016,004.40-63,024,006.60-20,738,103.60

Finding the Fourth Proportional to 42,016,004.40, 63,024,006.60 and 20,738,103.60

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Solution

The fourth proportional to 42,016,004.40, 63,024,006.60 and 20,738,103.60 is: 31,107,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,016,004.40 : 63,024,006.60 = 20,738,103.60 : x
  2. Step 2: Convert to fraction form
    42,016,004.40/63,024,006.60 = 20,738,103.60/x
  3. Step 3: Cross multiply
    42,016,004.40x = 63,024,006.60 × 20,738,103.60
  4. Step 4: Simplify right side
    42,016,004.40x = 1,306,998,378,157,884
  5. Step 5: Solve for x
    x = 1,306,998,378,157,884/42,016,004.40
  6. Step 6: Final answer
    x = 31,107,155.40

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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.