Home / 31,189,177.20-46,776,767.40-20,481,625.20

Finding the Fourth Proportional to 31,189,177.20, 46,776,767.40 and 20,481,625.20

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Solution

The fourth proportional to 31,189,177.20, 46,776,767.40 and 20,481,625.20 is: 30,717,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189,177.20 : 46,776,767.40 = 20,481,625.20 : x
  2. Step 2: Convert to fraction form
    31,189,177.20/46,776,767.40 = 20,481,625.20/x
  3. Step 3: Cross multiply
    31,189,177.20x = 46,776,767.40 × 20,481,625.20
  4. Step 4: Simplify right side
    31,189,177.20x = 958,064,217,954,378.38
  5. Step 5: Solve for x
    x = 958,064,217,954,378.38/31,189,177.20
  6. Step 6: Final answer
    x = 30,717,842.02

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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.