Home / 87,000,102.13-120,030,759.42-49,319,226.33

Finding the Fourth Proportional to 87,000,102.13, 120,030,759.42 and 49,319,226.33

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Solution

The fourth proportional to 87,000,102.13, 120,030,759.42 and 49,319,226.33 is: 68,043,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000,102.13 : 120,030,759.42 = 49,319,226.33 : x
  2. Step 2: Convert to fraction form
    87,000,102.13/120,030,759.42 = 49,319,226.33/x
  3. Step 3: Cross multiply
    87,000,102.13x = 120,030,759.42 × 49,319,226.33
  4. Step 4: Simplify right side
    87,000,102.13x = 5,919,824,190,396,759
  5. Step 5: Solve for x
    x = 5,919,824,190,396,759/87,000,102.13
  6. Step 6: Final answer
    x = 68,043,876.34

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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.