Home / 75,614,571.20-113,421,856.80-71,633,259.20

Finding the Fourth Proportional to 75,614,571.20, 113,421,856.80 and 71,633,259.20

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Solution

The fourth proportional to 75,614,571.20, 113,421,856.80 and 71,633,259.20 is: 107,449,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614,571.20 : 113,421,856.80 = 71,633,259.20 : x
  2. Step 2: Convert to fraction form
    75,614,571.20/113,421,856.80 = 71,633,259.20/x
  3. Step 3: Cross multiply
    75,614,571.20x = 113,421,856.80 × 71,633,259.20
  4. Step 4: Simplify right side
    75,614,571.20x = 8,124,777,267,099,683
  5. Step 5: Solve for x
    x = 8,124,777,267,099,683/75,614,571.20
  6. Step 6: Final answer
    x = 107,449,888.80

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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.