Home / 131,109,246.10-196,663,869.15-40,221,025.30

Finding the Fourth Proportional to 131,109,246.10, 196,663,869.15 and 40,221,025.30

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Solution

The fourth proportional to 131,109,246.10, 196,663,869.15 and 40,221,025.30 is: 60,331,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,109,246.10 : 196,663,869.15 = 40,221,025.30 : x
  2. Step 2: Convert to fraction form
    131,109,246.10/196,663,869.15 = 40,221,025.30/x
  3. Step 3: Cross multiply
    131,109,246.10x = 196,663,869.15 × 40,221,025.30
  4. Step 4: Simplify right side
    131,109,246.10x = 7,910,022,456,678,039
  5. Step 5: Solve for x
    x = 7,910,022,456,678,039/131,109,246.10
  6. Step 6: Final answer
    x = 60,331,537.95

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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.