Home / 90,940,773.76-136,409,191.05-25,360,161.57

Finding the Fourth Proportional to 90,940,773.76, 136,409,191.05 and 25,360,161.57

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Solution

The fourth proportional to 90,940,773.76, 136,409,191.05 and 25,360,161.57 is: 38,039,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940,773.76 : 136,409,191.05 = 25,360,161.57 : x
  2. Step 2: Convert to fraction form
    90,940,773.76/136,409,191.05 = 25,360,161.57/x
  3. Step 3: Cross multiply
    90,940,773.76x = 136,409,191.05 × 25,360,161.57
  4. Step 4: Simplify right side
    90,940,773.76x = 3,459,359,124,756,099
  5. Step 5: Solve for x
    x = 3,459,359,124,756,099/90,940,773.76
  6. Step 6: Final answer
    x = 38,039,693.11

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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.