Home / 154,107,726-231,138,232.59-41,942,313.78

Finding the Fourth Proportional to 154,107,726, 231,138,232.59 and 41,942,313.78

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Solution

The fourth proportional to 154,107,726, 231,138,232.59 and 41,942,313.78 is: 62,907,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,107,726 : 231,138,232.59 = 41,942,313.78 : x
  2. Step 2: Convert to fraction form
    154,107,726/231,138,232.59 = 41,942,313.78/x
  3. Step 3: Cross multiply
    154,107,726x = 231,138,232.59 × 41,942,313.78
  4. Step 4: Simplify right side
    154,107,726x = 9,694,472,277,844,402
  5. Step 5: Solve for x
    x = 9,694,472,277,844,402/154,107,726
  6. Step 6: Final answer
    x = 62,907,113.94

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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.