Home / 252,097,279.80-377,720,766.90-208,731,694.20

Finding the Fourth Proportional to 252,097,279.80, 377,720,766.90 and 208,731,694.20

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Solution

The fourth proportional to 252,097,279.80, 377,720,766.90 and 208,731,694.20 is: 312,745,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,097,279.80 : 377,720,766.90 = 208,731,694.20 : x
  2. Step 2: Convert to fraction form
    252,097,279.80/377,720,766.90 = 208,731,694.20/x
  3. Step 3: Cross multiply
    252,097,279.80x = 377,720,766.90 × 208,731,694.20
  4. Step 4: Simplify right side
    252,097,279.80x = 78,842,295,609,560,272
  5. Step 5: Solve for x
    x = 78,842,295,609,560,272/252,097,279.80
  6. Step 6: Final answer
    x = 312,745,522.97

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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.