Home / 112,969,223.70-155,888,973.08-63,400,023.97

Finding the Fourth Proportional to 112,969,223.70, 155,888,973.08 and 63,400,023.97

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Solution

The fourth proportional to 112,969,223.70, 155,888,973.08 and 63,400,023.97 is: 87,487,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,223.70 : 155,888,973.08 = 63,400,023.97 : x
  2. Step 2: Convert to fraction form
    112,969,223.70/155,888,973.08 = 63,400,023.97/x
  3. Step 3: Cross multiply
    112,969,223.70x = 155,888,973.08 × 63,400,023.97
  4. Step 4: Simplify right side
    112,969,223.70x = 9,883,364,629,613,684
  5. Step 5: Solve for x
    x = 9,883,364,629,613,684/112,969,223.70
  6. Step 6: Final answer
    x = 87,487,231.53

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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.