Home / 80,329,987.03-110,857,720.43-45,521,520.07

Finding the Fourth Proportional to 80,329,987.03, 110,857,720.43 and 45,521,520.07

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Solution

The fourth proportional to 80,329,987.03, 110,857,720.43 and 45,521,520.07 is: 62,821,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329,987.03 : 110,857,720.43 = 45,521,520.07 : x
  2. Step 2: Convert to fraction form
    80,329,987.03/110,857,720.43 = 45,521,520.07/x
  3. Step 3: Cross multiply
    80,329,987.03x = 110,857,720.43 × 45,521,520.07
  4. Step 4: Simplify right side
    80,329,987.03x = 5,046,411,945,468,694
  5. Step 5: Solve for x
    x = 5,046,411,945,468,694/80,329,987.03
  6. Step 6: Final answer
    x = 62,821,022.78

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1.5x scale

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.