Home / 68,530,672.10-102,796,008.15-65,507,363.30

Finding the Fourth Proportional to 68,530,672.10, 102,796,008.15 and 65,507,363.30

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Solution

The fourth proportional to 68,530,672.10, 102,796,008.15 and 65,507,363.30 is: 98,261,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530,672.10 : 102,796,008.15 = 65,507,363.30 : x
  2. Step 2: Convert to fraction form
    68,530,672.10/102,796,008.15 = 65,507,363.30/x
  3. Step 3: Cross multiply
    68,530,672.10x = 102,796,008.15 × 65,507,363.30
  4. Step 4: Simplify right side
    68,530,672.10x = 6,733,895,451,671,811
  5. Step 5: Solve for x
    x = 6,733,895,451,671,811/68,530,672.10
  6. Step 6: Final answer
    x = 98,261,044.95

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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.