Home / 87,544,279.90-120,811,579.31-47,851,865.29

Finding the Fourth Proportional to 87,544,279.90, 120,811,579.31 and 47,851,865.29

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Solution

The fourth proportional to 87,544,279.90, 120,811,579.31 and 47,851,865.29 is: 66,035,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544,279.90 : 120,811,579.31 = 47,851,865.29 : x
  2. Step 2: Convert to fraction form
    87,544,279.90/120,811,579.31 = 47,851,865.29/x
  3. Step 3: Cross multiply
    87,544,279.90x = 120,811,579.31 × 47,851,865.29
  4. Step 4: Simplify right side
    87,544,279.90x = 5,781,059,418,205,351
  5. Step 5: Solve for x
    x = 5,781,059,418,205,351/87,544,279.90
  6. Step 6: Final answer
    x = 66,035,832.67

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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.