Home / 115,622,974.20-159,569,795.08-63,422,098.86

Finding the Fourth Proportional to 115,622,974.20, 159,569,795.08 and 63,422,098.86

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Solution

The fourth proportional to 115,622,974.20, 159,569,795.08 and 63,422,098.86 is: 87,528,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,622,974.20 : 159,569,795.08 = 63,422,098.86 : x
  2. Step 2: Convert to fraction form
    115,622,974.20/159,569,795.08 = 63,422,098.86/x
  3. Step 3: Cross multiply
    115,622,974.20x = 159,569,795.08 × 63,422,098.86
  4. Step 4: Simplify right side
    115,622,974.20x = 10,120,251,318,633,702
  5. Step 5: Solve for x
    x = 10,120,251,318,633,702/115,622,974.20
  6. Step 6: Final answer
    x = 87,528,031.42

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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.