Home / 177,153,789.20-265,730,683.80-131,237,286.80

Finding the Fourth Proportional to 177,153,789.20, 265,730,683.80 and 131,237,286.80

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Solution

The fourth proportional to 177,153,789.20, 265,730,683.80 and 131,237,286.80 is: 196,855,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,153,789.20 : 265,730,683.80 = 131,237,286.80 : x
  2. Step 2: Convert to fraction form
    177,153,789.20/265,730,683.80 = 131,237,286.80/x
  3. Step 3: Cross multiply
    177,153,789.20x = 265,730,683.80 × 131,237,286.80
  4. Step 4: Simplify right side
    177,153,789.20x = 34,873,773,961,420,716
  5. Step 5: Solve for x
    x = 34,873,773,961,420,716/177,153,789.20
  6. Step 6: Final answer
    x = 196,855,930.20

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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.