Home / 35,589,515.13-49,115,168.51-20,120,251.77

Finding the Fourth Proportional to 35,589,515.13, 49,115,168.51 and 20,120,251.77

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Solution

The fourth proportional to 35,589,515.13, 49,115,168.51 and 20,120,251.77 is: 27,766,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589,515.13 : 49,115,168.51 = 20,120,251.77 : x
  2. Step 2: Convert to fraction form
    35,589,515.13/49,115,168.51 = 20,120,251.77/x
  3. Step 3: Cross multiply
    35,589,515.13x = 49,115,168.51 × 20,120,251.77
  4. Step 4: Simplify right side
    35,589,515.13x = 988,209,556,046,574.50
  5. Step 5: Solve for x
    x = 988,209,556,046,574.50/35,589,515.13
  6. Step 6: Final answer
    x = 27,766,873.26

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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.