Home / 105,682,708.80-158,524,063.20-76,867,963.20

Finding the Fourth Proportional to 105,682,708.80, 158,524,063.20 and 76,867,963.20

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Solution

The fourth proportional to 105,682,708.80, 158,524,063.20 and 76,867,963.20 is: 115,301,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682,708.80 : 158,524,063.20 = 76,867,963.20 : x
  2. Step 2: Convert to fraction form
    105,682,708.80/158,524,063.20 = 76,867,963.20/x
  3. Step 3: Cross multiply
    105,682,708.80x = 158,524,063.20 × 76,867,963.20
  4. Step 4: Simplify right side
    105,682,708.80x = 12,185,421,856,372,074
  5. Step 5: Solve for x
    x = 12,185,421,856,372,074/105,682,708.80
  6. Step 6: Final answer
    x = 115,301,944.80

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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.