Home / 217,225,025.83-299,780,784.08-123,140,996.26

Finding the Fourth Proportional to 217,225,025.83, 299,780,784.08 and 123,140,996.26

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Solution

The fourth proportional to 217,225,025.83, 299,780,784.08 and 123,140,996.26 is: 169,940,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,225,025.83 : 299,780,784.08 = 123,140,996.26 : x
  2. Step 2: Convert to fraction form
    217,225,025.83/299,780,784.08 = 123,140,996.26/x
  3. Step 3: Cross multiply
    217,225,025.83x = 299,780,784.08 × 123,140,996.26
  4. Step 4: Simplify right side
    217,225,025.83x = 36,915,304,411,215,144
  5. Step 5: Solve for x
    x = 36,915,304,411,215,144/217,225,025.83
  6. Step 6: Final answer
    x = 169,940,384.49

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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.