Home / 154,204,786.80-231,307,967.25-51,969,710.16

Finding the Fourth Proportional to 154,204,786.80, 231,307,967.25 and 51,969,710.16

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Solution

The fourth proportional to 154,204,786.80, 231,307,967.25 and 51,969,710.16 is: 77,954,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,786.80 : 231,307,967.25 = 51,969,710.16 : x
  2. Step 2: Convert to fraction form
    154,204,786.80/231,307,967.25 = 51,969,710.16/x
  3. Step 3: Cross multiply
    154,204,786.80x = 231,307,967.25 × 51,969,710.16
  4. Step 4: Simplify right side
    154,204,786.80x = 12,021,008,015,681,272
  5. Step 5: Solve for x
    x = 12,021,008,015,681,272/154,204,786.80
  6. Step 6: Final answer
    x = 77,954,830.49

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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.