Home / 79,721,540.88-110,015,725.32-43,052,110.80

Finding the Fourth Proportional to 79,721,540.88, 110,015,725.32 and 43,052,110.80

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Solution

The fourth proportional to 79,721,540.88, 110,015,725.32 and 43,052,110.80 is: 59,411,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,540.88 : 110,015,725.32 = 43,052,110.80 : x
  2. Step 2: Convert to fraction form
    79,721,540.88/110,015,725.32 = 43,052,110.80/x
  3. Step 3: Cross multiply
    79,721,540.88x = 110,015,725.32 × 43,052,110.80
  4. Step 4: Simplify right side
    79,721,540.88x = 4,736,409,196,219,005
  5. Step 5: Solve for x
    x = 4,736,409,196,219,005/79,721,540.88
  6. Step 6: Final answer
    x = 59,411,912.31

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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.