Home / 49,648,399.11-68,486,260.25-31,031,229.46

Finding the Fourth Proportional to 49,648,399.11, 68,486,260.25 and 31,031,229.46

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Solution

The fourth proportional to 49,648,399.11, 68,486,260.25 and 31,031,229.46 is: 42,805,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648,399.11 : 68,486,260.25 = 31,031,229.46 : x
  2. Step 2: Convert to fraction form
    49,648,399.11/68,486,260.25 = 31,031,229.46/x
  3. Step 3: Cross multiply
    49,648,399.11x = 68,486,260.25 × 31,031,229.46
  4. Step 4: Simplify right side
    49,648,399.11x = 2,125,212,856,793,580
  5. Step 5: Solve for x
    x = 2,125,212,856,793,580/49,648,399.11
  6. Step 6: Final answer
    x = 42,805,264.51

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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.