Home / 225,476,445.78-338,131,712.72-77,886,449.46

Finding the Fourth Proportional to 225,476,445.78, 338,131,712.72 and 77,886,449.46

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Solution

The fourth proportional to 225,476,445.78, 338,131,712.72 and 77,886,449.46 is: 116,801,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,476,445.78 : 338,131,712.72 = 77,886,449.46 : x
  2. Step 2: Convert to fraction form
    225,476,445.78/338,131,712.72 = 77,886,449.46/x
  3. Step 3: Cross multiply
    225,476,445.78x = 338,131,712.72 × 77,886,449.46
  4. Step 4: Simplify right side
    225,476,445.78x = 26,335,878,553,784,236
  5. Step 5: Solve for x
    x = 26,335,878,553,784,236/225,476,445.78
  6. Step 6: Final answer
    x = 116,801,018.67

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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.