Home / 219,912,242.11-303,470,579.50-122,133,396.67

Finding the Fourth Proportional to 219,912,242.11, 303,470,579.50 and 122,133,396.67

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Solution

The fourth proportional to 219,912,242.11, 303,470,579.50 and 122,133,396.67 is: 168,539,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,242.11 : 303,470,579.50 = 122,133,396.67 : x
  2. Step 2: Convert to fraction form
    219,912,242.11/303,470,579.50 = 122,133,396.67/x
  3. Step 3: Cross multiply
    219,912,242.11x = 303,470,579.50 × 122,133,396.67
  4. Step 4: Simplify right side
    219,912,242.11x = 37,063,892,663,748,272
  5. Step 5: Solve for x
    x = 37,063,892,663,748,272/219,912,242.11
  6. Step 6: Final answer
    x = 168,539,469.69

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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.