Home / 68,948,114.30-103,422,171.45-40,226,680.70

Finding the Fourth Proportional to 68,948,114.30, 103,422,171.45 and 40,226,680.70

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Solution

The fourth proportional to 68,948,114.30, 103,422,171.45 and 40,226,680.70 is: 60,340,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948,114.30 : 103,422,171.45 = 40,226,680.70 : x
  2. Step 2: Convert to fraction form
    68,948,114.30/103,422,171.45 = 40,226,680.70/x
  3. Step 3: Cross multiply
    68,948,114.30x = 103,422,171.45 × 40,226,680.70
  4. Step 4: Simplify right side
    68,948,114.30x = 4,160,330,668,219,806.50
  5. Step 5: Solve for x
    x = 4,160,330,668,219,806.50/68,948,114.30
  6. Step 6: Final answer
    x = 60,340,021.05

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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.