Home / 90,667,486.80-136,001,230.20-82,731,301.20

Finding the Fourth Proportional to 90,667,486.80, 136,001,230.20 and 82,731,301.20

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Solution

The fourth proportional to 90,667,486.80, 136,001,230.20 and 82,731,301.20 is: 124,096,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,667,486.80 : 136,001,230.20 = 82,731,301.20 : x
  2. Step 2: Convert to fraction form
    90,667,486.80/136,001,230.20 = 82,731,301.20/x
  3. Step 3: Cross multiply
    90,667,486.80x = 136,001,230.20 × 82,731,301.20
  4. Step 4: Simplify right side
    90,667,486.80x = 11,251,558,739,246,736
  5. Step 5: Solve for x
    x = 11,251,558,739,246,736/90,667,486.80
  6. Step 6: Final answer
    x = 124,096,951.80

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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.