Home / 78,690,785.46-108,593,073.09-43,883,515.86

Finding the Fourth Proportional to 78,690,785.46, 108,593,073.09 and 43,883,515.86

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Solution

The fourth proportional to 78,690,785.46, 108,593,073.09 and 43,883,515.86 is: 60,559,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,690,785.46 : 108,593,073.09 = 43,883,515.86 : x
  2. Step 2: Convert to fraction form
    78,690,785.46/108,593,073.09 = 43,883,515.86/x
  3. Step 3: Cross multiply
    78,690,785.46x = 108,593,073.09 × 43,883,515.86
  4. Step 4: Simplify right side
    78,690,785.46x = 4,765,445,845,231,154
  5. Step 5: Solve for x
    x = 4,765,445,845,231,154/78,690,785.46
  6. Step 6: Final answer
    x = 60,559,134.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.