Home / 79,721,538.88-110,015,722.56-43,052,108.80

Finding the Fourth Proportional to 79,721,538.88, 110,015,722.56 and 43,052,108.80

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Solution

The fourth proportional to 79,721,538.88, 110,015,722.56 and 43,052,108.80 is: 59,411,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,538.88 : 110,015,722.56 = 43,052,108.80 : x
  2. Step 2: Convert to fraction form
    79,721,538.88/110,015,722.56 = 43,052,108.80/x
  3. Step 3: Cross multiply
    79,721,538.88x = 110,015,722.56 × 43,052,108.80
  4. Step 4: Simplify right side
    79,721,538.88x = 4,736,408,857,363,734
  5. Step 5: Solve for x
    x = 4,736,408,857,363,734/79,721,538.88
  6. Step 6: Final answer
    x = 59,411,909.55

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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.