Home / 43,785,132.30-65,677,698.45-21,068,325.90

Finding the Fourth Proportional to 43,785,132.30, 65,677,698.45 and 21,068,325.90

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Solution

The fourth proportional to 43,785,132.30, 65,677,698.45 and 21,068,325.90 is: 31,602,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785,132.30 : 65,677,698.45 = 21,068,325.90 : x
  2. Step 2: Convert to fraction form
    43,785,132.30/65,677,698.45 = 21,068,325.90/x
  3. Step 3: Cross multiply
    43,785,132.30x = 65,677,698.45 × 21,068,325.90
  4. Step 4: Simplify right side
    43,785,132.30x = 1,383,719,155,306,524.75
  5. Step 5: Solve for x
    x = 1,383,719,155,306,524.75/43,785,132.30
  6. Step 6: Final answer
    x = 31,602,488.85

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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.