Home / 207,141,127.38-310,752,622.55-75,984,620.66

Finding the Fourth Proportional to 207,141,127.38, 310,752,622.55 and 75,984,620.66

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Solution

The fourth proportional to 207,141,127.38, 310,752,622.55 and 75,984,620.66 is: 113,991,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141,127.38 : 310,752,622.55 = 75,984,620.66 : x
  2. Step 2: Convert to fraction form
    207,141,127.38/310,752,622.55 = 75,984,620.66/x
  3. Step 3: Cross multiply
    207,141,127.38x = 310,752,622.55 × 75,984,620.66
  4. Step 4: Simplify right side
    207,141,127.38x = 23,612,420,141,628,228
  5. Step 5: Solve for x
    x = 23,612,420,141,628,228/207,141,127.38
  6. Step 6: Final answer
    x = 113,991,945.69

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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.