Home / 129,036,801.60-193,555,202.40-114,928,027.20

Finding the Fourth Proportional to 129,036,801.60, 193,555,202.40 and 114,928,027.20

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Solution

The fourth proportional to 129,036,801.60, 193,555,202.40 and 114,928,027.20 is: 172,392,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,036,801.60 : 193,555,202.40 = 114,928,027.20 : x
  2. Step 2: Convert to fraction form
    129,036,801.60/193,555,202.40 = 114,928,027.20/x
  3. Step 3: Cross multiply
    129,036,801.60x = 193,555,202.40 × 114,928,027.20
  4. Step 4: Simplify right side
    129,036,801.60x = 22,244,917,566,128,708
  5. Step 5: Solve for x
    x = 22,244,917,566,128,708/129,036,801.60
  6. Step 6: Final answer
    x = 172,392,040.80

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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.