Home / 75,614,251.20-113,421,376.80-71,632,939.20

Finding the Fourth Proportional to 75,614,251.20, 113,421,376.80 and 71,632,939.20

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Solution

The fourth proportional to 75,614,251.20, 113,421,376.80 and 71,632,939.20 is: 107,449,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614,251.20 : 113,421,376.80 = 71,632,939.20 : x
  2. Step 2: Convert to fraction form
    75,614,251.20/113,421,376.80 = 71,632,939.20/x
  3. Step 3: Cross multiply
    75,614,251.20x = 113,421,376.80 × 71,632,939.20
  4. Step 4: Simplify right side
    75,614,251.20x = 8,124,706,588,294,691
  5. Step 5: Solve for x
    x = 8,124,706,588,294,691/75,614,251.20
  6. Step 6: Final answer
    x = 107,449,408.80

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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.