Home / 131,345,842.10-197,018,763.15-82,972,901.30

Finding the Fourth Proportional to 131,345,842.10, 197,018,763.15 and 82,972,901.30

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Solution

The fourth proportional to 131,345,842.10, 197,018,763.15 and 82,972,901.30 is: 124,459,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,345,842.10 : 197,018,763.15 = 82,972,901.30 : x
  2. Step 2: Convert to fraction form
    131,345,842.10/197,018,763.15 = 82,972,901.30/x
  3. Step 3: Cross multiply
    131,345,842.10x = 197,018,763.15 × 82,972,901.30
  4. Step 4: Simplify right side
    131,345,842.10x = 16,347,218,389,093,028
  5. Step 5: Solve for x
    x = 16,347,218,389,093,028/131,345,842.10
  6. Step 6: Final answer
    x = 124,459,351.95

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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.