Home / 293,940,121.06-440,919,730.56-86,661,150.40

Finding the Fourth Proportional to 293,940,121.06, 440,919,730.56 and 86,661,150.40

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Solution

The fourth proportional to 293,940,121.06, 440,919,730.56 and 86,661,150.40 is: 129,994,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,940,121.06 : 440,919,730.56 = 86,661,150.40 : x
  2. Step 2: Convert to fraction form
    293,940,121.06/440,919,730.56 = 86,661,150.40/x
  3. Step 3: Cross multiply
    293,940,121.06x = 440,919,730.56 × 86,661,150.40
  4. Step 4: Simplify right side
    293,940,121.06x = 38,210,611,084,387,640
  5. Step 5: Solve for x
    x = 38,210,611,084,387,640/293,940,121.06
  6. Step 6: Final answer
    x = 129,994,540.88

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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.