Home / 253,199,372.58-379,794,908.55-80,673,842.34

Finding the Fourth Proportional to 253,199,372.58, 379,794,908.55 and 80,673,842.34

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Solution

The fourth proportional to 253,199,372.58, 379,794,908.55 and 80,673,842.34 is: 121,009,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,199,372.58 : 379,794,908.55 = 80,673,842.34 : x
  2. Step 2: Convert to fraction form
    253,199,372.58/379,794,908.55 = 80,673,842.34/x
  3. Step 3: Cross multiply
    253,199,372.58x = 379,794,908.55 × 80,673,842.34
  4. Step 4: Simplify right side
    253,199,372.58x = 30,639,514,573,897,420
  5. Step 5: Solve for x
    x = 30,639,514,573,897,420/253,199,372.58
  6. Step 6: Final answer
    x = 121,009,441.14

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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.