Home / 125,327,890.64-187,949,256.12-43,427,660.24

Finding the Fourth Proportional to 125,327,890.64, 187,949,256.12 and 43,427,660.24

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Solution

The fourth proportional to 125,327,890.64, 187,949,256.12 and 43,427,660.24 is: 65,126,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,327,890.64 : 187,949,256.12 = 43,427,660.24 : x
  2. Step 2: Convert to fraction form
    125,327,890.64/187,949,256.12 = 43,427,660.24/x
  3. Step 3: Cross multiply
    125,327,890.64x = 187,949,256.12 × 43,427,660.24
  4. Step 4: Simplify right side
    125,327,890.64x = 8,162,196,437,140,101
  5. Step 5: Solve for x
    x = 8,162,196,437,140,101/125,327,890.64
  6. Step 6: Final answer
    x = 65,126,735.92

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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.