Home / 133,058,479.20-199,438,419.60-75,578,287.20

Finding the Fourth Proportional to 133,058,479.20, 199,438,419.60 and 75,578,287.20

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Solution

The fourth proportional to 133,058,479.20, 199,438,419.60 and 75,578,287.20 is: 113,282,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,479.20 : 199,438,419.60 = 75,578,287.20 : x
  2. Step 2: Convert to fraction form
    133,058,479.20/199,438,419.60 = 75,578,287.20/x
  3. Step 3: Cross multiply
    133,058,479.20x = 199,438,419.60 × 75,578,287.20
  4. Step 4: Simplify right side
    133,058,479.20x = 15,073,214,155,242,910
  5. Step 5: Solve for x
    x = 15,073,214,155,242,910/133,058,479.20
  6. Step 6: Final answer
    x = 113,282,627.65

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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.