Home / 207,141,155.44-310,752,664.46-75,984,648.61

Finding the Fourth Proportional to 207,141,155.44, 310,752,664.46 and 75,984,648.61

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Solution

The fourth proportional to 207,141,155.44, 310,752,664.46 and 75,984,648.61 is: 113,991,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141,155.44 : 310,752,664.46 = 75,984,648.61 : x
  2. Step 2: Convert to fraction form
    207,141,155.44/310,752,664.46 = 75,984,648.61/x
  3. Step 3: Cross multiply
    207,141,155.44x = 310,752,664.46 × 75,984,648.61
  4. Step 4: Simplify right side
    207,141,155.44x = 23,612,432,013,614,332
  5. Step 5: Solve for x
    x = 23,612,432,013,614,332/207,141,155.44
  6. Step 6: Final answer
    x = 113,991,987.56

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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.