Home / 77,844,453.79-107,427,588.78-43,039,391.26

Finding the Fourth Proportional to 77,844,453.79, 107,427,588.78 and 43,039,391.26

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Solution

The fourth proportional to 77,844,453.79, 107,427,588.78 and 43,039,391.26 is: 59,395,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844,453.79 : 107,427,588.78 = 43,039,391.26 : x
  2. Step 2: Convert to fraction form
    77,844,453.79/107,427,588.78 = 43,039,391.26/x
  3. Step 3: Cross multiply
    77,844,453.79x = 107,427,588.78 × 43,039,391.26
  4. Step 4: Simplify right side
    77,844,453.79x = 4,623,618,025,620,806
  5. Step 5: Solve for x
    x = 4,623,618,025,620,806/77,844,453.79
  6. Step 6: Final answer
    x = 59,395,599.82

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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.