Home / 57,960,012.20-86,940,018.30-40,953,900.20

Finding the Fourth Proportional to 57,960,012.20, 86,940,018.30 and 40,953,900.20

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Solution

The fourth proportional to 57,960,012.20, 86,940,018.30 and 40,953,900.20 is: 61,430,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960,012.20 : 86,940,018.30 = 40,953,900.20 : x
  2. Step 2: Convert to fraction form
    57,960,012.20/86,940,018.30 = 40,953,900.20/x
  3. Step 3: Cross multiply
    57,960,012.20x = 86,940,018.30 × 40,953,900.20
  4. Step 4: Simplify right side
    57,960,012.20x = 3,560,532,832,844,374
  5. Step 5: Solve for x
    x = 3,560,532,832,844,374/57,960,012.20
  6. Step 6: Final answer
    x = 61,430,850.30

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Similar ratio
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1.5x scale

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.