Home / 339,152,015.20-508,765,347.60-123,787,919.20

Finding the Fourth Proportional to 339,152,015.20, 508,765,347.60 and 123,787,919.20

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Solution

The fourth proportional to 339,152,015.20, 508,765,347.60 and 123,787,919.20 is: 185,695,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,152,015.20 : 508,765,347.60 = 123,787,919.20 : x
  2. Step 2: Convert to fraction form
    339,152,015.20/508,765,347.60 = 123,787,919.20/x
  3. Step 3: Cross multiply
    339,152,015.20x = 508,765,347.60 × 123,787,919.20
  4. Step 4: Simplify right side
    339,152,015.20x = 62,979,003,740,468,720
  5. Step 5: Solve for x
    x = 62,979,003,740,468,720/339,152,015.20
  6. Step 6: Final answer
    x = 185,695,502.07

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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.