Home / 143,066,030.85-197,435,891.39-80,353,180.22

Finding the Fourth Proportional to 143,066,030.85, 197,435,891.39 and 80,353,180.22

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Solution

The fourth proportional to 143,066,030.85, 197,435,891.39 and 80,353,180.22 is: 110,890,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,066,030.85 : 197,435,891.39 = 80,353,180.22 : x
  2. Step 2: Convert to fraction form
    143,066,030.85/197,435,891.39 = 80,353,180.22/x
  3. Step 3: Cross multiply
    143,066,030.85x = 197,435,891.39 × 80,353,180.22
  4. Step 4: Simplify right side
    143,066,030.85x = 15,864,601,761,368,070
  5. Step 5: Solve for x
    x = 15,864,601,761,368,070/143,066,030.85
  6. Step 6: Final answer
    x = 110,890,067.10

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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.