Home / 131,445,906.40-197,168,859.60-54,758,970.10

Finding the Fourth Proportional to 131,445,906.40, 197,168,859.60 and 54,758,970.10

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Solution

The fourth proportional to 131,445,906.40, 197,168,859.60 and 54,758,970.10 is: 82,138,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,445,906.40 : 197,168,859.60 = 54,758,970.10 : x
  2. Step 2: Convert to fraction form
    131,445,906.40/197,168,859.60 = 54,758,970.10/x
  3. Step 3: Cross multiply
    131,445,906.40x = 197,168,859.60 × 54,758,970.10
  4. Step 4: Simplify right side
    131,445,906.40x = 10,796,763,687,487,498
  5. Step 5: Solve for x
    x = 10,796,763,687,487,498/131,445,906.40
  6. Step 6: Final answer
    x = 82,138,455.15

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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.