Home / 68,123,407.20-102,185,110.80-43,936,936.80

Finding the Fourth Proportional to 68,123,407.20, 102,185,110.80 and 43,936,936.80

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Solution

The fourth proportional to 68,123,407.20, 102,185,110.80 and 43,936,936.80 is: 65,905,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,123,407.20 : 102,185,110.80 = 43,936,936.80 : x
  2. Step 2: Convert to fraction form
    68,123,407.20/102,185,110.80 = 43,936,936.80/x
  3. Step 3: Cross multiply
    68,123,407.20x = 102,185,110.80 × 43,936,936.80
  4. Step 4: Simplify right side
    68,123,407.20x = 4,489,700,755,120,597
  5. Step 5: Solve for x
    x = 4,489,700,755,120,597/68,123,407.20
  6. Step 6: Final answer
    x = 65,905,405.20

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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.