Home / 445,324,908.15-667,987,362.23-122,208,780.15

Finding the Fourth Proportional to 445,324,908.15, 667,987,362.23 and 122,208,780.15

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Solution

The fourth proportional to 445,324,908.15, 667,987,362.23 and 122,208,780.15 is: 183,313,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,324,908.15 : 667,987,362.23 = 122,208,780.15 : x
  2. Step 2: Convert to fraction form
    445,324,908.15/667,987,362.23 = 122,208,780.15/x
  3. Step 3: Cross multiply
    445,324,908.15x = 667,987,362.23 × 122,208,780.15
  4. Step 4: Simplify right side
    445,324,908.15x = 81,633,920,693,133,440
  5. Step 5: Solve for x
    x = 81,633,920,693,133,440/445,324,908.15
  6. Step 6: Final answer
    x = 183,313,170.23

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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.