Home / 90,940,781.57-136,409,202.81-25,360,169.47

Finding the Fourth Proportional to 90,940,781.57, 136,409,202.81 and 25,360,169.47

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Solution

The fourth proportional to 90,940,781.57, 136,409,202.81 and 25,360,169.47 is: 38,039,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940,781.57 : 136,409,202.81 = 25,360,169.47 : x
  2. Step 2: Convert to fraction form
    90,940,781.57/136,409,202.81 = 25,360,169.47/x
  3. Step 3: Cross multiply
    90,940,781.57x = 136,409,202.81 × 25,360,169.47
  4. Step 4: Simplify right side
    90,940,781.57x = 3,459,360,500,604,611.50
  5. Step 5: Solve for x
    x = 3,459,360,500,604,611.50/90,940,781.57
  6. Step 6: Final answer
    x = 38,039,704.97

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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.