Home / 31,199,688.87-43,055,251.40-17,261,143.72

Finding the Fourth Proportional to 31,199,688.87, 43,055,251.40 and 17,261,143.72

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Solution

The fourth proportional to 31,199,688.87, 43,055,251.40 and 17,261,143.72 is: 23,820,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199,688.87 : 43,055,251.40 = 17,261,143.72 : x
  2. Step 2: Convert to fraction form
    31,199,688.87/43,055,251.40 = 17,261,143.72/x
  3. Step 3: Cross multiply
    31,199,688.87x = 43,055,251.40 × 17,261,143.72
  4. Step 4: Simplify right side
    31,199,688.87x = 743,182,882,251,646
  5. Step 5: Solve for x
    x = 743,182,882,251,646/31,199,688.87
  6. Step 6: Final answer
    x = 23,820,201.72

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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.