Home / 239,747,542.20-330,851,595.60-129,739,255.20

Finding the Fourth Proportional to 239,747,542.20, 330,851,595.60 and 129,739,255.20

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Solution

The fourth proportional to 239,747,542.20, 330,851,595.60 and 129,739,255.20 is: 179,040,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,747,542.20 : 330,851,595.60 = 129,739,255.20 : x
  2. Step 2: Convert to fraction form
    239,747,542.20/330,851,595.60 = 129,739,255.20/x
  3. Step 3: Cross multiply
    239,747,542.20x = 330,851,595.60 × 129,739,255.20
  4. Step 4: Simplify right side
    239,747,542.20x = 42,924,439,594,875,600
  5. Step 5: Solve for x
    x = 42,924,439,594,875,600/239,747,542.20
  6. Step 6: Final answer
    x = 179,040,165.34

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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.