Home / 40,778,919.60-61,168,379.40-33,313,959.60

Finding the Fourth Proportional to 40,778,919.60, 61,168,379.40 and 33,313,959.60

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Solution

The fourth proportional to 40,778,919.60, 61,168,379.40 and 33,313,959.60 is: 49,970,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778,919.60 : 61,168,379.40 = 33,313,959.60 : x
  2. Step 2: Convert to fraction form
    40,778,919.60/61,168,379.40 = 33,313,959.60/x
  3. Step 3: Cross multiply
    40,778,919.60x = 61,168,379.40 × 33,313,959.60
  4. Step 4: Simplify right side
    40,778,919.60x = 2,037,760,920,129,072.25
  5. Step 5: Solve for x
    x = 2,037,760,920,129,072.25/40,778,919.60
  6. Step 6: Final answer
    x = 49,970,939.40

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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.