Home / 136,248,001.60-204,372,002.40-115,840,667.20

Finding the Fourth Proportional to 136,248,001.60, 204,372,002.40 and 115,840,667.20

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Solution

The fourth proportional to 136,248,001.60, 204,372,002.40 and 115,840,667.20 is: 173,761,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,248,001.60 : 204,372,002.40 = 115,840,667.20 : x
  2. Step 2: Convert to fraction form
    136,248,001.60/204,372,002.40 = 115,840,667.20/x
  3. Step 3: Cross multiply
    136,248,001.60x = 204,372,002.40 × 115,840,667.20
  4. Step 4: Simplify right side
    136,248,001.60x = 23,674,589,115,016,004
  5. Step 5: Solve for x
    x = 23,674,589,115,016,004/136,248,001.60
  6. Step 6: Final answer
    x = 173,761,000.80

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1.5x scale

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.