Home / 112,969,222.26-155,888,971.09-63,400,022.53

Finding the Fourth Proportional to 112,969,222.26, 155,888,971.09 and 63,400,022.53

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Solution

The fourth proportional to 112,969,222.26, 155,888,971.09 and 63,400,022.53 is: 87,487,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,222.26 : 155,888,971.09 = 63,400,022.53 : x
  2. Step 2: Convert to fraction form
    112,969,222.26/155,888,971.09 = 63,400,022.53/x
  3. Step 3: Cross multiply
    112,969,222.26x = 155,888,971.09 × 63,400,022.53
  4. Step 4: Simplify right side
    112,969,222.26x = 9,883,364,279,558,630
  5. Step 5: Solve for x
    x = 9,883,364,279,558,630/112,969,222.26
  6. Step 6: Final answer
    x = 87,487,229.55

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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.