Home / 51,425,153.92-70,963,218.56-28,221,775.56

Finding the Fourth Proportional to 51,425,153.92, 70,963,218.56 and 28,221,775.56

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Solution

The fourth proportional to 51,425,153.92, 70,963,218.56 and 28,221,775.56 is: 38,944,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425,153.92 : 70,963,218.56 = 28,221,775.56 : x
  2. Step 2: Convert to fraction form
    51,425,153.92/70,963,218.56 = 28,221,775.56/x
  3. Step 3: Cross multiply
    51,425,153.92x = 70,963,218.56 × 28,221,775.56
  4. Step 4: Simplify right side
    51,425,153.92x = 2,002,708,027,215,546.25
  5. Step 5: Solve for x
    x = 2,002,708,027,215,546.25/51,425,153.92
  6. Step 6: Final answer
    x = 38,944,132.87

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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.