Home / 109,987,905.20-164,981,857.80-58,969,569.20

Finding the Fourth Proportional to 109,987,905.20, 164,981,857.80 and 58,969,569.20

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Solution

The fourth proportional to 109,987,905.20, 164,981,857.80 and 58,969,569.20 is: 88,454,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,987,905.20 : 164,981,857.80 = 58,969,569.20 : x
  2. Step 2: Convert to fraction form
    109,987,905.20/164,981,857.80 = 58,969,569.20/x
  3. Step 3: Cross multiply
    109,987,905.20x = 164,981,857.80 × 58,969,569.20
  4. Step 4: Simplify right side
    109,987,905.20x = 9,728,909,080,281,660
  5. Step 5: Solve for x
    x = 9,728,909,080,281,660/109,987,905.20
  6. Step 6: Final answer
    x = 88,454,353.80

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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.