Home / 258,959,263.66-388,177,104.29-111,502,986.61

Finding the Fourth Proportional to 258,959,263.66, 388,177,104.29 and 111,502,986.61

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Solution

The fourth proportional to 258,959,263.66, 388,177,104.29 and 111,502,986.61 is: 167,141,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,959,263.66 : 388,177,104.29 = 111,502,986.61 : x
  2. Step 2: Convert to fraction form
    258,959,263.66/388,177,104.29 = 111,502,986.61/x
  3. Step 3: Cross multiply
    258,959,263.66x = 388,177,104.29 × 111,502,986.61
  4. Step 4: Simplify right side
    258,959,263.66x = 43,282,906,460,015,560
  5. Step 5: Solve for x
    x = 43,282,906,460,015,560/258,959,263.66
  6. Step 6: Final answer
    x = 167,141,757.55

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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.