Home / 131,843,069.20-197,366,472.60-115,917,821.20

Finding the Fourth Proportional to 131,843,069.20, 197,366,472.60 and 115,917,821.20

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Solution

The fourth proportional to 131,843,069.20, 197,366,472.60 and 115,917,821.20 is: 173,526,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843,069.20 : 197,366,472.60 = 115,917,821.20 : x
  2. Step 2: Convert to fraction form
    131,843,069.20/197,366,472.60 = 115,917,821.20/x
  3. Step 3: Cross multiply
    131,843,069.20x = 197,366,472.60 × 115,917,821.20
  4. Step 4: Simplify right side
    131,843,069.20x = 22,878,291,481,721,500
  5. Step 5: Solve for x
    x = 22,878,291,481,721,500/131,843,069.20
  6. Step 6: Final answer
    x = 173,526,690.64

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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.