Home / 117,517,732.82-162,003,549.35-82,125,655.34

Finding the Fourth Proportional to 117,517,732.82, 162,003,549.35 and 82,125,655.34

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Solution

The fourth proportional to 117,517,732.82, 162,003,549.35 and 82,125,655.34 is: 113,213,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,732.82 : 162,003,549.35 = 82,125,655.34 : x
  2. Step 2: Convert to fraction form
    117,517,732.82/162,003,549.35 = 82,125,655.34/x
  3. Step 3: Cross multiply
    117,517,732.82x = 162,003,549.35 × 82,125,655.34
  4. Step 4: Simplify right side
    117,517,732.82x = 13,304,647,656,964,762
  5. Step 5: Solve for x
    x = 13,304,647,656,964,762/117,517,732.82
  6. Step 6: Final answer
    x = 113,213,957.91

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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.