Home / 154,204,719.03-231,307,866-51,969,642.39

Finding the Fourth Proportional to 154,204,719.03, 231,307,866 and 51,969,642.39

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Solution

The fourth proportional to 154,204,719.03, 231,307,866 and 51,969,642.39 is: 77,954,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,719.03 : 231,307,866 = 51,969,642.39 : x
  2. Step 2: Convert to fraction form
    154,204,719.03/231,307,866 = 51,969,642.39/x
  3. Step 3: Cross multiply
    154,204,719.03x = 231,307,866 × 51,969,642.39
  4. Step 4: Simplify right side
    154,204,719.03x = 12,020,987,078,014,040
  5. Step 5: Solve for x
    x = 12,020,987,078,014,040/154,204,719.03
  6. Step 6: Final answer
    x = 77,954,728.97

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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.