Home / 68,275,529.20-102,413,293.80-41,012,605.90

Finding the Fourth Proportional to 68,275,529.20, 102,413,293.80 and 41,012,605.90

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Solution

The fourth proportional to 68,275,529.20, 102,413,293.80 and 41,012,605.90 is: 61,518,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,275,529.20 : 102,413,293.80 = 41,012,605.90 : x
  2. Step 2: Convert to fraction form
    68,275,529.20/102,413,293.80 = 41,012,605.90/x
  3. Step 3: Cross multiply
    68,275,529.20x = 102,413,293.80 × 41,012,605.90
  4. Step 4: Simplify right side
    68,275,529.20x = 4,200,236,057,540,313
  5. Step 5: Solve for x
    x = 4,200,236,057,540,313/68,275,529.20
  6. Step 6: Final answer
    x = 61,518,908.85

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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.