Home / 225,658,818.12-311,453,828.86-146,372,138.88

Finding the Fourth Proportional to 225,658,818.12, 311,453,828.86 and 146,372,138.88

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Solution

The fourth proportional to 225,658,818.12, 311,453,828.86 and 146,372,138.88 is: 202,022,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,658,818.12 : 311,453,828.86 = 146,372,138.88 : x
  2. Step 2: Convert to fraction form
    225,658,818.12/311,453,828.86 = 146,372,138.88/x
  3. Step 3: Cross multiply
    225,658,818.12x = 311,453,828.86 × 146,372,138.88
  4. Step 4: Simplify right side
    225,658,818.12x = 45,588,163,092,603,672
  5. Step 5: Solve for x
    x = 45,588,163,092,603,672/225,658,818.12
  6. Step 6: Final answer
    x = 202,022,519.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.