Home / 109,394,851.44-151,011,378.36-68,162,115.72

Finding the Fourth Proportional to 109,394,851.44, 151,011,378.36 and 68,162,115.72

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Solution

The fourth proportional to 109,394,851.44, 151,011,378.36 and 68,162,115.72 is: 94,092,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394,851.44 : 151,011,378.36 = 68,162,115.72 : x
  2. Step 2: Convert to fraction form
    109,394,851.44/151,011,378.36 = 68,162,115.72/x
  3. Step 3: Cross multiply
    109,394,851.44x = 151,011,378.36 × 68,162,115.72
  4. Step 4: Simplify right side
    109,394,851.44x = 10,293,255,046,811,024
  5. Step 5: Solve for x
    x = 10,293,255,046,811,024/109,394,851.44
  6. Step 6: Final answer
    x = 94,092,682.71

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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.