Home / 150,221,913.12-225,306,233.64-68,321,607.84

Finding the Fourth Proportional to 150,221,913.12, 225,306,233.64 and 68,321,607.84

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Solution

The fourth proportional to 150,221,913.12, 225,306,233.64 and 68,321,607.84 is: 102,470,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221,913.12 : 225,306,233.64 = 68,321,607.84 : x
  2. Step 2: Convert to fraction form
    150,221,913.12/225,306,233.64 = 68,321,607.84/x
  3. Step 3: Cross multiply
    150,221,913.12x = 225,306,233.64 × 68,321,607.84
  4. Step 4: Simplify right side
    150,221,913.12x = 15,393,284,138,659,496
  5. Step 5: Solve for x
    x = 15,393,284,138,659,496/150,221,913.12
  6. Step 6: Final answer
    x = 102,470,297.57

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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.