Home / 79,729,065.78-110,023,701.51-43,965,487.38

Finding the Fourth Proportional to 79,729,065.78, 110,023,701.51 and 43,965,487.38

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Solution

The fourth proportional to 79,729,065.78, 110,023,701.51 and 43,965,487.38 is: 60,671,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729,065.78 : 110,023,701.51 = 43,965,487.38 : x
  2. Step 2: Convert to fraction form
    79,729,065.78/110,023,701.51 = 43,965,487.38/x
  3. Step 3: Cross multiply
    79,729,065.78x = 110,023,701.51 × 43,965,487.38
  4. Step 4: Simplify right side
    79,729,065.78x = 4,837,245,660,238,792
  5. Step 5: Solve for x
    x = 4,837,245,660,238,792/79,729,065.78
  6. Step 6: Final answer
    x = 60,671,044.03

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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.