Home / 80,675,051.43-120,960,716.68-52,976,242.63

Finding the Fourth Proportional to 80,675,051.43, 120,960,716.68 and 52,976,242.63

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Solution

The fourth proportional to 80,675,051.43, 120,960,716.68 and 52,976,242.63 is: 79,430,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675,051.43 : 120,960,716.68 = 52,976,242.63 : x
  2. Step 2: Convert to fraction form
    80,675,051.43/120,960,716.68 = 52,976,242.63/x
  3. Step 3: Cross multiply
    80,675,051.43x = 120,960,716.68 × 52,976,242.63
  4. Step 4: Simplify right side
    80,675,051.43x = 6,408,044,275,538,369
  5. Step 5: Solve for x
    x = 6,408,044,275,538,369/80,675,051.43
  6. Step 6: Final answer
    x = 79,430,309.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.