Home / 213,552,022.80-320,328,034.20-186,678,166.80

Finding the Fourth Proportional to 213,552,022.80, 320,328,034.20 and 186,678,166.80

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Solution

The fourth proportional to 213,552,022.80, 320,328,034.20 and 186,678,166.80 is: 280,017,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,552,022.80 : 320,328,034.20 = 186,678,166.80 : x
  2. Step 2: Convert to fraction form
    213,552,022.80/320,328,034.20 = 186,678,166.80/x
  3. Step 3: Cross multiply
    213,552,022.80x = 320,328,034.20 × 186,678,166.80
  4. Step 4: Simplify right side
    213,552,022.80x = 59,798,250,199,103,704
  5. Step 5: Solve for x
    x = 59,798,250,199,103,704/213,552,022.80
  6. Step 6: Final answer
    x = 280,017,250.20

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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.