Home / 75,329,404.40-103,965,923.78-45,977,793.44

Finding the Fourth Proportional to 75,329,404.40, 103,965,923.78 and 45,977,793.44

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Solution

The fourth proportional to 75,329,404.40, 103,965,923.78 and 45,977,793.44 is: 63,456,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329,404.40 : 103,965,923.78 = 45,977,793.44 : x
  2. Step 2: Convert to fraction form
    75,329,404.40/103,965,923.78 = 45,977,793.44/x
  3. Step 3: Cross multiply
    75,329,404.40x = 103,965,923.78 × 45,977,793.44
  4. Step 4: Simplify right side
    75,329,404.40x = 4,780,123,768,355,624
  5. Step 5: Solve for x
    x = 4,780,123,768,355,624/75,329,404.40
  6. Step 6: Final answer
    x = 63,456,279.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.