Home / 239,045,795.20-358,568,692.80-218,638,460.80

Finding the Fourth Proportional to 239,045,795.20, 358,568,692.80 and 218,638,460.80

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Solution

The fourth proportional to 239,045,795.20, 358,568,692.80 and 218,638,460.80 is: 327,957,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,045,795.20 : 358,568,692.80 = 218,638,460.80 : x
  2. Step 2: Convert to fraction form
    239,045,795.20/358,568,692.80 = 218,638,460.80/x
  3. Step 3: Cross multiply
    239,045,795.20x = 358,568,692.80 × 218,638,460.80
  4. Step 4: Simplify right side
    239,045,795.20x = 78,396,907,084,860,048
  5. Step 5: Solve for x
    x = 78,396,907,084,860,048/239,045,795.20
  6. Step 6: Final answer
    x = 327,957,691.20

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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.