Home / 311,171,698.10-429,441,432.54-177,215,267.90

Finding the Fourth Proportional to 311,171,698.10, 429,441,432.54 and 177,215,267.90

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Solution

The fourth proportional to 311,171,698.10, 429,441,432.54 and 177,215,267.90 is: 244,571,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,171,698.10 : 429,441,432.54 = 177,215,267.90 : x
  2. Step 2: Convert to fraction form
    311,171,698.10/429,441,432.54 = 177,215,267.90/x
  3. Step 3: Cross multiply
    311,171,698.10x = 429,441,432.54 × 177,215,267.90
  4. Step 4: Simplify right side
    311,171,698.10x = 76,103,578,514,935,888
  5. Step 5: Solve for x
    x = 76,103,578,514,935,888/311,171,698.10
  6. Step 6: Final answer
    x = 244,571,016.51

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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.