Home / 136,121,180.40-204,181,770.60-45,258,793.20

Finding the Fourth Proportional to 136,121,180.40, 204,181,770.60 and 45,258,793.20

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Solution

The fourth proportional to 136,121,180.40, 204,181,770.60 and 45,258,793.20 is: 67,888,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,121,180.40 : 204,181,770.60 = 45,258,793.20 : x
  2. Step 2: Convert to fraction form
    136,121,180.40/204,181,770.60 = 45,258,793.20/x
  3. Step 3: Cross multiply
    136,121,180.40x = 204,181,770.60 × 45,258,793.20
  4. Step 4: Simplify right side
    136,121,180.40x = 9,241,020,530,795,240
  5. Step 5: Solve for x
    x = 9,241,020,530,795,240/136,121,180.40
  6. Step 6: Final answer
    x = 67,888,189.80

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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.