Home / 117,517,870.33-162,003,740.22-82,125,794.21

Finding the Fourth Proportional to 117,517,870.33, 162,003,740.22 and 82,125,794.21

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Solution

The fourth proportional to 117,517,870.33, 162,003,740.22 and 82,125,794.21 is: 113,214,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,870.33 : 162,003,740.22 = 82,125,794.21 : x
  2. Step 2: Convert to fraction form
    117,517,870.33/162,003,740.22 = 82,125,794.21/x
  3. Step 3: Cross multiply
    117,517,870.33x = 162,003,740.22 × 82,125,794.21
  4. Step 4: Simplify right side
    117,517,870.33x = 13,304,685,830,558,018
  5. Step 5: Solve for x
    x = 13,304,685,830,558,018/117,517,870.33
  6. Step 6: Final answer
    x = 113,214,150.27

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1.5x scale

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.