Home / 172,964,112.09-238,690,465.11-94,647,675.03

Finding the Fourth Proportional to 172,964,112.09, 238,690,465.11 and 94,647,675.03

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Solution

The fourth proportional to 172,964,112.09, 238,690,465.11 and 94,647,675.03 is: 130,613,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,964,112.09 : 238,690,465.11 = 94,647,675.03 : x
  2. Step 2: Convert to fraction form
    172,964,112.09/238,690,465.11 = 94,647,675.03/x
  3. Step 3: Cross multiply
    172,964,112.09x = 238,690,465.11 × 94,647,675.03
  4. Step 4: Simplify right side
    172,964,112.09x = 22,591,497,574,490,836
  5. Step 5: Solve for x
    x = 22,591,497,574,490,836/172,964,112.09
  6. Step 6: Final answer
    x = 130,613,786.30

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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.