Home / 378,108,335.70-567,162,503.55-90,893,999.70

Finding the Fourth Proportional to 378,108,335.70, 567,162,503.55 and 90,893,999.70

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Solution

The fourth proportional to 378,108,335.70, 567,162,503.55 and 90,893,999.70 is: 136,340,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,108,335.70 : 567,162,503.55 = 90,893,999.70 : x
  2. Step 2: Convert to fraction form
    378,108,335.70/567,162,503.55 = 90,893,999.70/x
  3. Step 3: Cross multiply
    378,108,335.70x = 567,162,503.55 × 90,893,999.70
  4. Step 4: Simplify right side
    378,108,335.70x = 51,551,668,427,524,944
  5. Step 5: Solve for x
    x = 51,551,668,427,524,944/378,108,335.70
  6. Step 6: Final answer
    x = 136,340,999.55

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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.