Home / 221,456,268.80-305,618,936.11-127,370,441.93

Finding the Fourth Proportional to 221,456,268.80, 305,618,936.11 and 127,370,441.93

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Solution

The fourth proportional to 221,456,268.80, 305,618,936.11 and 127,370,441.93 is: 175,776,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,456,268.80 : 305,618,936.11 = 127,370,441.93 : x
  2. Step 2: Convert to fraction form
    221,456,268.80/305,618,936.11 = 127,370,441.93/x
  3. Step 3: Cross multiply
    221,456,268.80x = 305,618,936.11 × 127,370,441.93
  4. Step 4: Simplify right side
    221,456,268.80x = 38,926,818,954,952,760
  5. Step 5: Solve for x
    x = 38,926,818,954,952,760/221,456,268.80
  6. Step 6: Final answer
    x = 175,776,550.22

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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.