Home / 115,360,686.72-159,197,735.84-63,149,757.76

Finding the Fourth Proportional to 115,360,686.72, 159,197,735.84 and 63,149,757.76

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Solution

The fourth proportional to 115,360,686.72, 159,197,735.84 and 63,149,757.76 is: 87,146,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,360,686.72 : 159,197,735.84 = 63,149,757.76 : x
  2. Step 2: Convert to fraction form
    115,360,686.72/159,197,735.84 = 63,149,757.76/x
  3. Step 3: Cross multiply
    115,360,686.72x = 159,197,735.84 × 63,149,757.76
  4. Step 4: Simplify right side
    115,360,686.72x = 10,053,298,454,236,470
  5. Step 5: Solve for x
    x = 10,053,298,454,236,470/115,360,686.72
  6. Step 6: Final answer
    x = 87,146,659.23

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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.