Home / 117,517,788-162,003,625.04-82,125,710.40

Finding the Fourth Proportional to 117,517,788, 162,003,625.04 and 82,125,710.40

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Solution

The fourth proportional to 117,517,788, 162,003,625.04 and 82,125,710.40 is: 113,214,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,788 : 162,003,625.04 = 82,125,710.40 : x
  2. Step 2: Convert to fraction form
    117,517,788/162,003,625.04 = 82,125,710.40/x
  3. Step 3: Cross multiply
    117,517,788x = 162,003,625.04 × 82,125,710.40
  4. Step 4: Simplify right side
    117,517,788x = 13,304,662,793,785,228
  5. Step 5: Solve for x
    x = 13,304,662,793,785,228/117,517,788
  6. Step 6: Final answer
    x = 113,214,033.55

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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.