Home / 103,868,321.76-155,816,660.88-43,269,876

Finding the Fourth Proportional to 103,868,321.76, 155,816,660.88 and 43,269,876

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Solution

The fourth proportional to 103,868,321.76, 155,816,660.88 and 43,269,876 is: 64,910,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,868,321.76 : 155,816,660.88 = 43,269,876 : x
  2. Step 2: Convert to fraction form
    103,868,321.76/155,816,660.88 = 43,269,876/x
  3. Step 3: Cross multiply
    103,868,321.76x = 155,816,660.88 × 43,269,876
  4. Step 4: Simplify right side
    103,868,321.76x = 6,742,167,595,011,651
  5. Step 5: Solve for x
    x = 6,742,167,595,011,651/103,868,321.76
  6. Step 6: Final answer
    x = 64,910,720.43

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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.