Home / 115,753,213.25-159,735,301.44-65,516,353.91

Finding the Fourth Proportional to 115,753,213.25, 159,735,301.44 and 65,516,353.91

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Solution

The fourth proportional to 115,753,213.25, 159,735,301.44 and 65,516,353.91 is: 90,410,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753,213.25 : 159,735,301.44 = 65,516,353.91 : x
  2. Step 2: Convert to fraction form
    115,753,213.25/159,735,301.44 = 65,516,353.91/x
  3. Step 3: Cross multiply
    115,753,213.25x = 159,735,301.44 × 65,516,353.91
  4. Step 4: Simplify right side
    115,753,213.25x = 10,465,274,540,264,896
  5. Step 5: Solve for x
    x = 10,465,274,540,264,896/115,753,213.25
  6. Step 6: Final answer
    x = 90,410,229.20

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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.