Home / 219,669,527.21-329,493,641.94-81,522,066.20

Finding the Fourth Proportional to 219,669,527.21, 329,493,641.94 and 81,522,066.20

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Solution

The fourth proportional to 219,669,527.21, 329,493,641.94 and 81,522,066.20 is: 122,279,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,669,527.21 : 329,493,641.94 = 81,522,066.20 : x
  2. Step 2: Convert to fraction form
    219,669,527.21/329,493,641.94 = 81,522,066.20/x
  3. Step 3: Cross multiply
    219,669,527.21x = 329,493,641.94 × 81,522,066.20
  4. Step 4: Simplify right side
    219,669,527.21x = 26,861,002,489,064,304
  5. Step 5: Solve for x
    x = 26,861,002,489,064,304/219,669,527.21
  6. Step 6: Final answer
    x = 122,279,147.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.