Home / 123,992,816.80-185,888,448.24-43,270,471.84

Finding the Fourth Proportional to 123,992,816.80, 185,888,448.24 and 43,270,471.84

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Solution

The fourth proportional to 123,992,816.80, 185,888,448.24 and 43,270,471.84 is: 64,870,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,992,816.80 : 185,888,448.24 = 43,270,471.84 : x
  2. Step 2: Convert to fraction form
    123,992,816.80/185,888,448.24 = 43,270,471.84/x
  3. Step 3: Cross multiply
    123,992,816.80x = 185,888,448.24 × 43,270,471.84
  4. Step 4: Simplify right side
    123,992,816.80x = 8,043,480,864,950,219
  5. Step 5: Solve for x
    x = 8,043,480,864,950,219/123,992,816.80
  6. Step 6: Final answer
    x = 64,870,539.06

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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.