Home / 78,691,198.68-108,593,643.06-43,883,927.28

Finding the Fourth Proportional to 78,691,198.68, 108,593,643.06 and 43,883,927.28

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Solution

The fourth proportional to 78,691,198.68, 108,593,643.06 and 43,883,927.28 is: 60,559,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,198.68 : 108,593,643.06 = 43,883,927.28 : x
  2. Step 2: Convert to fraction form
    78,691,198.68/108,593,643.06 = 43,883,927.28/x
  3. Step 3: Cross multiply
    78,691,198.68x = 108,593,643.06 × 43,883,927.28
  4. Step 4: Simplify right side
    78,691,198.68x = 4,765,515,535,115,317
  5. Step 5: Solve for x
    x = 4,765,515,535,115,317/78,691,198.68
  6. Step 6: Final answer
    x = 60,559,701.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.