Home / 71,743,157.64-107,631,819.09-23,221,019.70

Finding the Fourth Proportional to 71,743,157.64, 107,631,819.09 and 23,221,019.70

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Solution

The fourth proportional to 71,743,157.64, 107,631,819.09 and 23,221,019.70 is: 34,837,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,743,157.64 : 107,631,819.09 = 23,221,019.70 : x
  2. Step 2: Convert to fraction form
    71,743,157.64/107,631,819.09 = 23,221,019.70/x
  3. Step 3: Cross multiply
    71,743,157.64x = 107,631,819.09 × 23,221,019.70
  4. Step 4: Simplify right side
    71,743,157.64x = 2,499,320,591,435,726
  5. Step 5: Solve for x
    x = 2,499,320,591,435,726/71,743,157.64
  6. Step 6: Final answer
    x = 34,837,058.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.