Home / 167,647,840.40-251,471,760.60-142,138,672.40

Finding the Fourth Proportional to 167,647,840.40, 251,471,760.60 and 142,138,672.40

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Solution

The fourth proportional to 167,647,840.40, 251,471,760.60 and 142,138,672.40 is: 213,208,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,647,840.40 : 251,471,760.60 = 142,138,672.40 : x
  2. Step 2: Convert to fraction form
    167,647,840.40/251,471,760.60 = 142,138,672.40/x
  3. Step 3: Cross multiply
    167,647,840.40x = 251,471,760.60 × 142,138,672.40
  4. Step 4: Simplify right side
    167,647,840.40x = 35,743,862,197,774,628
  5. Step 5: Solve for x
    x = 35,743,862,197,774,628/167,647,840.40
  6. Step 6: Final answer
    x = 213,208,008.60

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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.