Home / 252,768,029.70-379,152,044.55-143,550,999.30

Finding the Fourth Proportional to 252,768,029.70, 379,152,044.55 and 143,550,999.30

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Solution

The fourth proportional to 252,768,029.70, 379,152,044.55 and 143,550,999.30 is: 215,326,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,768,029.70 : 379,152,044.55 = 143,550,999.30 : x
  2. Step 2: Convert to fraction form
    252,768,029.70/379,152,044.55 = 143,550,999.30/x
  3. Step 3: Cross multiply
    252,768,029.70x = 379,152,044.55 × 143,550,999.30
  4. Step 4: Simplify right side
    252,768,029.70x = 54,427,654,881,790,624
  5. Step 5: Solve for x
    x = 54,427,654,881,790,624/252,768,029.70
  6. Step 6: Final answer
    x = 215,326,498.95

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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.