Home / 66,836,704.15-100,235,606.91-25,887,009.97

Finding the Fourth Proportional to 66,836,704.15, 100,235,606.91 and 25,887,009.97

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Solution

The fourth proportional to 66,836,704.15, 100,235,606.91 and 25,887,009.97 is: 38,822,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836,704.15 : 100,235,606.91 = 25,887,009.97 : x
  2. Step 2: Convert to fraction form
    66,836,704.15/100,235,606.91 = 25,887,009.97/x
  3. Step 3: Cross multiply
    66,836,704.15x = 100,235,606.91 × 25,887,009.97
  4. Step 4: Simplify right side
    66,836,704.15x = 2,594,800,155,038,049
  5. Step 5: Solve for x
    x = 2,594,800,155,038,049/66,836,704.15
  6. Step 6: Final answer
    x = 38,822,981.90

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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.