Home / 40,288,987.20-60,304,885.20-31,785,931.20

Finding the Fourth Proportional to 40,288,987.20, 60,304,885.20 and 31,785,931.20

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Solution

The fourth proportional to 40,288,987.20, 60,304,885.20 and 31,785,931.20 is: 47,577,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288,987.20 : 60,304,885.20 = 31,785,931.20 : x
  2. Step 2: Convert to fraction form
    40,288,987.20/60,304,885.20 = 31,785,931.20/x
  3. Step 3: Cross multiply
    40,288,987.20x = 60,304,885.20 × 31,785,931.20
  4. Step 4: Simplify right side
    40,288,987.20x = 1,916,846,931,991,098.25
  5. Step 5: Solve for x
    x = 1,916,846,931,991,098.25/40,288,987.20
  6. Step 6: Final answer
    x = 47,577,441.51

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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.