Home / 236,197,132.20-354,295,698.30-218,978,443.80

Finding the Fourth Proportional to 236,197,132.20, 354,295,698.30 and 218,978,443.80

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Solution

The fourth proportional to 236,197,132.20, 354,295,698.30 and 218,978,443.80 is: 328,467,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,132.20 : 354,295,698.30 = 218,978,443.80 : x
  2. Step 2: Convert to fraction form
    236,197,132.20/354,295,698.30 = 218,978,443.80/x
  3. Step 3: Cross multiply
    236,197,132.20x = 354,295,698.30 × 218,978,443.80
  4. Step 4: Simplify right side
    236,197,132.20x = 77,583,120,658,768,320
  5. Step 5: Solve for x
    x = 77,583,120,658,768,320/236,197,132.20
  6. Step 6: Final answer
    x = 328,467,665.70

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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.