Home / 120,965,485.20-181,448,227.80-40,186,453.20

Finding the Fourth Proportional to 120,965,485.20, 181,448,227.80 and 40,186,453.20

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Solution

The fourth proportional to 120,965,485.20, 181,448,227.80 and 40,186,453.20 is: 60,279,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,485.20 : 181,448,227.80 = 40,186,453.20 : x
  2. Step 2: Convert to fraction form
    120,965,485.20/181,448,227.80 = 40,186,453.20/x
  3. Step 3: Cross multiply
    120,965,485.20x = 181,448,227.80 × 40,186,453.20
  4. Step 4: Simplify right side
    120,965,485.20x = 7,291,760,714,707,640
  5. Step 5: Solve for x
    x = 7,291,760,714,707,640/120,965,485.20
  6. Step 6: Final answer
    x = 60,279,679.80

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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.