Home / 68,359,785.80-102,586,917.90-49,206,914.60

Finding the Fourth Proportional to 68,359,785.80, 102,586,917.90 and 49,206,914.60

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Solution

The fourth proportional to 68,359,785.80, 102,586,917.90 and 49,206,914.60 is: 73,844,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359,785.80 : 102,586,917.90 = 49,206,914.60 : x
  2. Step 2: Convert to fraction form
    68,359,785.80/102,586,917.90 = 49,206,914.60/x
  3. Step 3: Cross multiply
    68,359,785.80x = 102,586,917.90 × 49,206,914.60
  4. Step 4: Simplify right side
    68,359,785.80x = 5,047,985,708,182,512
  5. Step 5: Solve for x
    x = 5,047,985,708,182,512/68,359,785.80
  6. Step 6: Final answer
    x = 73,844,375.74

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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.