Home / 131,843,078.20-197,366,486.10-115,917,830.20

Finding the Fourth Proportional to 131,843,078.20, 197,366,486.10 and 115,917,830.20

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Solution

The fourth proportional to 131,843,078.20, 197,366,486.10 and 115,917,830.20 is: 173,526,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843,078.20 : 197,366,486.10 = 115,917,830.20 : x
  2. Step 2: Convert to fraction form
    131,843,078.20/197,366,486.10 = 115,917,830.20/x
  3. Step 3: Cross multiply
    131,843,078.20x = 197,366,486.10 × 115,917,830.20
  4. Step 4: Simplify right side
    131,843,078.20x = 22,878,294,822,910,460
  5. Step 5: Solve for x
    x = 22,878,294,822,910,460/131,843,078.20
  6. Step 6: Final answer
    x = 173,526,704.13

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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.