Home / 173,982,161.12-239,872,502.10-142,504,247.30

Finding the Fourth Proportional to 173,982,161.12, 239,872,502.10 and 142,504,247.30

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Solution

The fourth proportional to 173,982,161.12, 239,872,502.10 and 142,504,247.30 is: 196,473,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,982,161.12 : 239,872,502.10 = 142,504,247.30 : x
  2. Step 2: Convert to fraction form
    173,982,161.12/239,872,502.10 = 142,504,247.30/x
  3. Step 3: Cross multiply
    173,982,161.12x = 239,872,502.10 × 142,504,247.30
  4. Step 4: Simplify right side
    173,982,161.12x = 34,182,850,359,728,172
  5. Step 5: Solve for x
    x = 34,182,850,359,728,172/173,982,161.12
  6. Step 6: Final answer
    x = 196,473,305.88

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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.