Home / 217,526,824.78-300,194,269.19-122,174,137.04

Finding the Fourth Proportional to 217,526,824.78, 300,194,269.19 and 122,174,137.04

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Solution

The fourth proportional to 217,526,824.78, 300,194,269.19 and 122,174,137.04 is: 168,604,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,526,824.78 : 300,194,269.19 = 122,174,137.04 : x
  2. Step 2: Convert to fraction form
    217,526,824.78/300,194,269.19 = 122,174,137.04/x
  3. Step 3: Cross multiply
    217,526,824.78x = 300,194,269.19 × 122,174,137.04
  4. Step 4: Simplify right side
    217,526,824.78x = 36,675,975,780,988,024
  5. Step 5: Solve for x
    x = 36,675,975,780,988,024/217,526,824.78
  6. Step 6: Final answer
    x = 168,604,381.64

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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.