Home / 200,481,620.20-300,548,549.43-77,575,343.20

Finding the Fourth Proportional to 200,481,620.20, 300,548,549.43 and 77,575,343.20

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Solution

The fourth proportional to 200,481,620.20, 300,548,549.43 and 77,575,343.20 is: 116,295,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481,620.20 : 300,548,549.43 = 77,575,343.20 : x
  2. Step 2: Convert to fraction form
    200,481,620.20/300,548,549.43 = 77,575,343.20/x
  3. Step 3: Cross multiply
    200,481,620.20x = 300,548,549.43 × 77,575,343.20
  4. Step 4: Simplify right side
    200,481,620.20x = 23,315,156,870,294,416
  5. Step 5: Solve for x
    x = 23,315,156,870,294,416/200,481,620.20
  6. Step 6: Final answer
    x = 116,295,732.48

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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.