Home / 167,777,743.28-231,540,469.12-93,438,303.36

Finding the Fourth Proportional to 167,777,743.28, 231,540,469.12 and 93,438,303.36

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Solution

The fourth proportional to 167,777,743.28, 231,540,469.12 and 93,438,303.36 is: 128,948,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,777,743.28 : 231,540,469.12 = 93,438,303.36 : x
  2. Step 2: Convert to fraction form
    167,777,743.28/231,540,469.12 = 93,438,303.36/x
  3. Step 3: Cross multiply
    167,777,743.28x = 231,540,469.12 × 93,438,303.36
  4. Step 4: Simplify right side
    167,777,743.28x = 21,634,748,593,751,272
  5. Step 5: Solve for x
    x = 21,634,748,593,751,272/167,777,743.28
  6. Step 6: Final answer
    x = 128,948,859.19

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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.