Home / 136,315,101.90-204,467,404.05-45,438,690.90

Finding the Fourth Proportional to 136,315,101.90, 204,467,404.05 and 45,438,690.90

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Solution

The fourth proportional to 136,315,101.90, 204,467,404.05 and 45,438,690.90 is: 68,156,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,315,101.90 : 204,467,404.05 = 45,438,690.90 : x
  2. Step 2: Convert to fraction form
    136,315,101.90/204,467,404.05 = 45,438,690.90/x
  3. Step 3: Cross multiply
    136,315,101.90x = 204,467,404.05 × 45,438,690.90
  4. Step 4: Simplify right side
    136,315,101.90x = 9,290,731,171,753,358
  5. Step 5: Solve for x
    x = 9,290,731,171,753,358/136,315,101.90
  6. Step 6: Final answer
    x = 68,156,286.74

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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.