Home / 262,776,456.44-394,139,352.18-80,974,820.60

Finding the Fourth Proportional to 262,776,456.44, 394,139,352.18 and 80,974,820.60

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Solution

The fourth proportional to 262,776,456.44, 394,139,352.18 and 80,974,820.60 is: 121,454,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,776,456.44 : 394,139,352.18 = 80,974,820.60 : x
  2. Step 2: Convert to fraction form
    262,776,456.44/394,139,352.18 = 80,974,820.60/x
  3. Step 3: Cross multiply
    262,776,456.44x = 394,139,352.18 × 80,974,820.60
  4. Step 4: Simplify right side
    262,776,456.44x = 31,915,363,334,175,716
  5. Step 5: Solve for x
    x = 31,915,363,334,175,716/262,776,456.44
  6. Step 6: Final answer
    x = 121,454,424.67

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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.