Home / 159,968,467.89-220,745,335.39-90,340,396.67

Finding the Fourth Proportional to 159,968,467.89, 220,745,335.39 and 90,340,396.67

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Solution

The fourth proportional to 159,968,467.89, 220,745,335.39 and 90,340,396.67 is: 124,663,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,968,467.89 : 220,745,335.39 = 90,340,396.67 : x
  2. Step 2: Convert to fraction form
    159,968,467.89/220,745,335.39 = 90,340,396.67/x
  3. Step 3: Cross multiply
    159,968,467.89x = 220,745,335.39 × 90,340,396.67
  4. Step 4: Simplify right side
    159,968,467.89x = 19,942,221,162,510,800
  5. Step 5: Solve for x
    x = 19,942,221,162,510,800/159,968,467.89
  6. Step 6: Final answer
    x = 124,663,450.40

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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.