Home / 196,820,876.80-295,231,315.20-185,673,203.20

Finding the Fourth Proportional to 196,820,876.80, 295,231,315.20 and 185,673,203.20

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Solution

The fourth proportional to 196,820,876.80, 295,231,315.20 and 185,673,203.20 is: 278,509,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,820,876.80 : 295,231,315.20 = 185,673,203.20 : x
  2. Step 2: Convert to fraction form
    196,820,876.80/295,231,315.20 = 185,673,203.20/x
  3. Step 3: Cross multiply
    196,820,876.80x = 295,231,315.20 × 185,673,203.20
  4. Step 4: Simplify right side
    196,820,876.80x = 54,816,543,978,132,840
  5. Step 5: Solve for x
    x = 54,816,543,978,132,840/196,820,876.80
  6. Step 6: Final answer
    x = 278,509,804.80

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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.