Home / 140,126,349.25-193,380,236.73-80,587,691.87

Finding the Fourth Proportional to 140,126,349.25, 193,380,236.73 and 80,587,691.87

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Solution

The fourth proportional to 140,126,349.25, 193,380,236.73 and 80,587,691.87 is: 111,214,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126,349.25 : 193,380,236.73 = 80,587,691.87 : x
  2. Step 2: Convert to fraction form
    140,126,349.25/193,380,236.73 = 80,587,691.87/x
  3. Step 3: Cross multiply
    140,126,349.25x = 193,380,236.73 × 80,587,691.87
  4. Step 4: Simplify right side
    140,126,349.25x = 15,584,066,931,344,896
  5. Step 5: Solve for x
    x = 15,584,066,931,344,896/140,126,349.25
  6. Step 6: Final answer
    x = 111,214,393.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.