Home / 252,319,024.38-378,476,013.39-79,795,867.26

Finding the Fourth Proportional to 252,319,024.38, 378,476,013.39 and 79,795,867.26

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Solution

The fourth proportional to 252,319,024.38, 378,476,013.39 and 79,795,867.26 is: 119,693,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,319,024.38 : 378,476,013.39 = 79,795,867.26 : x
  2. Step 2: Convert to fraction form
    252,319,024.38/378,476,013.39 = 79,795,867.26/x
  3. Step 3: Cross multiply
    252,319,024.38x = 378,476,013.39 × 79,795,867.26
  4. Step 4: Simplify right side
    252,319,024.38x = 30,200,821,725,562,424
  5. Step 5: Solve for x
    x = 30,200,821,725,562,424/252,319,024.38
  6. Step 6: Final answer
    x = 119,693,002.93

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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.