Home / 216,079,363.25-324,170,608.18-70,513,195.47

Finding the Fourth Proportional to 216,079,363.25, 324,170,608.18 and 70,513,195.47

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Solution

The fourth proportional to 216,079,363.25, 324,170,608.18 and 70,513,195.47 is: 105,786,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079,363.25 : 324,170,608.18 = 70,513,195.47 : x
  2. Step 2: Convert to fraction form
    216,079,363.25/324,170,608.18 = 70,513,195.47/x
  3. Step 3: Cross multiply
    216,079,363.25x = 324,170,608.18 × 70,513,195.47
  4. Step 4: Simplify right side
    216,079,363.25x = 22,858,305,458,427,988
  5. Step 5: Solve for x
    x = 22,858,305,458,427,988/216,079,363.25
  6. Step 6: Final answer
    x = 105,786,619.86

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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.