Home / 256,125,691.58-383,973,249.08-207,482,917.10

Finding the Fourth Proportional to 256,125,691.58, 383,973,249.08 and 207,482,917.10

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Solution

The fourth proportional to 256,125,691.58, 383,973,249.08 and 207,482,917.10 is: 311,049,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,125,691.58 : 383,973,249.08 = 207,482,917.10 : x
  2. Step 2: Convert to fraction form
    256,125,691.58/383,973,249.08 = 207,482,917.10/x
  3. Step 3: Cross multiply
    256,125,691.58x = 383,973,249.08 × 207,482,917.10
  4. Step 4: Simplify right side
    256,125,691.58x = 79,667,889,806,082,128
  5. Step 5: Solve for x
    x = 79,667,889,806,082,128/256,125,691.58
  6. Step 6: Final answer
    x = 311,049,974.39

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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.