Home / 69,871,797-96,423,462.18-40,520,531.88

Finding the Fourth Proportional to 69,871,797, 96,423,462.18 and 40,520,531.88

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Solution

The fourth proportional to 69,871,797, 96,423,462.18 and 40,520,531.88 is: 55,918,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,797 : 96,423,462.18 = 40,520,531.88 : x
  2. Step 2: Convert to fraction form
    69,871,797/96,423,462.18 = 40,520,531.88/x
  3. Step 3: Cross multiply
    69,871,797x = 96,423,462.18 × 40,520,531.88
  4. Step 4: Simplify right side
    69,871,797x = 3,907,129,973,244,665
  5. Step 5: Solve for x
    x = 3,907,129,973,244,665/69,871,797
  6. Step 6: Final answer
    x = 55,918,555.71

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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.