Home / 130,163,450.88-179,619,540.48-71,424,635.52

Finding the Fourth Proportional to 130,163,450.88, 179,619,540.48 and 71,424,635.52

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Solution

The fourth proportional to 130,163,450.88, 179,619,540.48 and 71,424,635.52 is: 98,562,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,163,450.88 : 179,619,540.48 = 71,424,635.52 : x
  2. Step 2: Convert to fraction form
    130,163,450.88/179,619,540.48 = 71,424,635.52/x
  3. Step 3: Cross multiply
    130,163,450.88x = 179,619,540.48 × 71,424,635.52
  4. Step 4: Simplify right side
    130,163,450.88x = 12,829,260,211,053,884
  5. Step 5: Solve for x
    x = 12,829,260,211,053,884/130,163,450.88
  6. Step 6: Final answer
    x = 98,562,692.71

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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.