Home / 223,421,816.29-308,324,930.15-122,961,816.41

Finding the Fourth Proportional to 223,421,816.29, 308,324,930.15 and 122,961,816.41

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Solution

The fourth proportional to 223,421,816.29, 308,324,930.15 and 122,961,816.41 is: 169,688,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,421,816.29 : 308,324,930.15 = 122,961,816.41 : x
  2. Step 2: Convert to fraction form
    223,421,816.29/308,324,930.15 = 122,961,816.41/x
  3. Step 3: Cross multiply
    223,421,816.29x = 308,324,930.15 × 122,961,816.41
  4. Step 4: Simplify right side
    223,421,816.29x = 37,912,193,455,757,976
  5. Step 5: Solve for x
    x = 37,912,193,455,757,976/223,421,816.29
  6. Step 6: Final answer
    x = 169,688,860.67

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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.