Home / 68,986,120.40-103,479,180.60-58,727,340.80

Finding the Fourth Proportional to 68,986,120.40, 103,479,180.60 and 58,727,340.80

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Solution

The fourth proportional to 68,986,120.40, 103,479,180.60 and 58,727,340.80 is: 88,091,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986,120.40 : 103,479,180.60 = 58,727,340.80 : x
  2. Step 2: Convert to fraction form
    68,986,120.40/103,479,180.60 = 58,727,340.80/x
  3. Step 3: Cross multiply
    68,986,120.40x = 103,479,180.60 × 58,727,340.80
  4. Step 4: Simplify right side
    68,986,120.40x = 6,077,057,104,800,948
  5. Step 5: Solve for x
    x = 6,077,057,104,800,948/68,986,120.40
  6. Step 6: Final answer
    x = 88,091,011.20

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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.