Home / 79,954,291-110,336,938.86-43,285,163.32

Finding the Fourth Proportional to 79,954,291, 110,336,938.86 and 43,285,163.32

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Solution

The fourth proportional to 79,954,291, 110,336,938.86 and 43,285,163.32 is: 59,733,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,954,291 : 110,336,938.86 = 43,285,163.32 : x
  2. Step 2: Convert to fraction form
    79,954,291/110,336,938.86 = 43,285,163.32/x
  3. Step 3: Cross multiply
    79,954,291x = 110,336,938.86 × 43,285,163.32
  4. Step 4: Simplify right side
    79,954,291x = 4,775,952,418,783,955
  5. Step 5: Solve for x
    x = 4,775,952,418,783,955/79,954,291
  6. Step 6: Final answer
    x = 59,733,534.74

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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.