Home / 132,897,066.90-199,345,600.35-120,780,212.10

Finding the Fourth Proportional to 132,897,066.90, 199,345,600.35 and 120,780,212.10

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Solution

The fourth proportional to 132,897,066.90, 199,345,600.35 and 120,780,212.10 is: 181,170,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,897,066.90 : 199,345,600.35 = 120,780,212.10 : x
  2. Step 2: Convert to fraction form
    132,897,066.90/199,345,600.35 = 120,780,212.10/x
  3. Step 3: Cross multiply
    132,897,066.90x = 199,345,600.35 × 120,780,212.10
  4. Step 4: Simplify right side
    132,897,066.90x = 24,077,003,891,474,832
  5. Step 5: Solve for x
    x = 24,077,003,891,474,832/132,897,066.90
  6. Step 6: Final answer
    x = 181,170,318.15

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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.