Home / 259,583,999.60-389,375,999.40-132,182,015.60

Finding the Fourth Proportional to 259,583,999.60, 389,375,999.40 and 132,182,015.60

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Solution

The fourth proportional to 259,583,999.60, 389,375,999.40 and 132,182,015.60 is: 198,273,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,583,999.60 : 389,375,999.40 = 132,182,015.60 : x
  2. Step 2: Convert to fraction form
    259,583,999.60/389,375,999.40 = 132,182,015.60/x
  3. Step 3: Cross multiply
    259,583,999.60x = 389,375,999.40 × 132,182,015.60
  4. Step 4: Simplify right side
    259,583,999.60x = 51,468,504,426,956,384
  5. Step 5: Solve for x
    x = 51,468,504,426,956,384/259,583,999.60
  6. Step 6: Final answer
    x = 198,273,023.40

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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.