Home / 68,258,488.20-102,413,518.86-40,983,798.84

Finding the Fourth Proportional to 68,258,488.20, 102,413,518.86 and 40,983,798.84

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Solution

The fourth proportional to 68,258,488.20, 102,413,518.86 and 40,983,798.84 is: 61,491,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,258,488.20 : 102,413,518.86 = 40,983,798.84 : x
  2. Step 2: Convert to fraction form
    68,258,488.20/102,413,518.86 = 40,983,798.84/x
  3. Step 3: Cross multiply
    68,258,488.20x = 102,413,518.86 × 40,983,798.84
  4. Step 4: Simplify right side
    68,258,488.20x = 4,197,295,055,454,786.50
  5. Step 5: Solve for x
    x = 4,197,295,055,454,786.50/68,258,488.20
  6. Step 6: Final answer
    x = 61,491,181.04

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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.