Home / 80,196,278.99-110,651,896.80-45,388,969.52

Finding the Fourth Proportional to 80,196,278.99, 110,651,896.80 and 45,388,969.52

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Solution

The fourth proportional to 80,196,278.99, 110,651,896.80 and 45,388,969.52 is: 62,626,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,196,278.99 : 110,651,896.80 = 45,388,969.52 : x
  2. Step 2: Convert to fraction form
    80,196,278.99/110,651,896.80 = 45,388,969.52/x
  3. Step 3: Cross multiply
    80,196,278.99x = 110,651,896.80 × 45,388,969.52
  4. Step 4: Simplify right side
    80,196,278.99x = 5,022,375,570,632,126
  5. Step 5: Solve for x
    x = 5,022,375,570,632,126/80,196,278.99
  6. Step 6: Final answer
    x = 62,626,042.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.