Home / 396,296,947.20-594,445,420.80-137,426,131.20

Finding the Fourth Proportional to 396,296,947.20, 594,445,420.80 and 137,426,131.20

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Solution

The fourth proportional to 396,296,947.20, 594,445,420.80 and 137,426,131.20 is: 206,139,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,296,947.20 : 594,445,420.80 = 137,426,131.20 : x
  2. Step 2: Convert to fraction form
    396,296,947.20/594,445,420.80 = 137,426,131.20/x
  3. Step 3: Cross multiply
    396,296,947.20x = 594,445,420.80 × 137,426,131.20
  4. Step 4: Simplify right side
    396,296,947.20x = 81,692,334,390,100,000
  5. Step 5: Solve for x
    x = 81,692,334,390,100,000/396,296,947.20
  6. Step 6: Final answer
    x = 206,139,196.80

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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.