Home / 219,780,234.40-329,670,351.60-207,239,101.60

Finding the Fourth Proportional to 219,780,234.40, 329,670,351.60 and 207,239,101.60

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Solution

The fourth proportional to 219,780,234.40, 329,670,351.60 and 207,239,101.60 is: 310,858,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780,234.40 : 329,670,351.60 = 207,239,101.60 : x
  2. Step 2: Convert to fraction form
    219,780,234.40/329,670,351.60 = 207,239,101.60/x
  3. Step 3: Cross multiply
    219,780,234.40x = 329,670,351.60 × 207,239,101.60
  4. Step 4: Simplify right side
    219,780,234.40x = 68,320,587,489,740,128
  5. Step 5: Solve for x
    x = 68,320,587,489,740,128/219,780,234.40
  6. Step 6: Final answer
    x = 310,858,652.40

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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.