Home / 140,135,187.40-210,202,781.10-133,120,166.20

Finding the Fourth Proportional to 140,135,187.40, 210,202,781.10 and 133,120,166.20

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Solution

The fourth proportional to 140,135,187.40, 210,202,781.10 and 133,120,166.20 is: 199,680,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,135,187.40 : 210,202,781.10 = 133,120,166.20 : x
  2. Step 2: Convert to fraction form
    140,135,187.40/210,202,781.10 = 133,120,166.20/x
  3. Step 3: Cross multiply
    140,135,187.40x = 210,202,781.10 × 133,120,166.20
  4. Step 4: Simplify right side
    140,135,187.40x = 27,982,229,155,734,220
  5. Step 5: Solve for x
    x = 27,982,229,155,734,220/140,135,187.40
  6. Step 6: Final answer
    x = 199,680,249.30

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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.