Home / 101,877,500.38-140,594,410.06-57,231,357.44

Finding the Fourth Proportional to 101,877,500.38, 140,594,410.06 and 57,231,357.44

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Solution

The fourth proportional to 101,877,500.38, 140,594,410.06 and 57,231,357.44 is: 78,981,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,877,500.38 : 140,594,410.06 = 57,231,357.44 : x
  2. Step 2: Convert to fraction form
    101,877,500.38/140,594,410.06 = 57,231,357.44/x
  3. Step 3: Cross multiply
    101,877,500.38x = 140,594,410.06 × 57,231,357.44
  4. Step 4: Simplify right side
    101,877,500.38x = 8,046,408,936,209,792
  5. Step 5: Solve for x
    x = 8,046,408,936,209,792/101,877,500.38
  6. Step 6: Final answer
    x = 78,981,216.72

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1.5x scale

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.