Home / 239,167,351.44-330,050,949.12-129,159,064.44

Finding the Fourth Proportional to 239,167,351.44, 330,050,949.12 and 129,159,064.44

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Solution

The fourth proportional to 239,167,351.44, 330,050,949.12 and 129,159,064.44 is: 178,239,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,167,351.44 : 330,050,949.12 = 129,159,064.44 : x
  2. Step 2: Convert to fraction form
    239,167,351.44/330,050,949.12 = 129,159,064.44/x
  3. Step 3: Cross multiply
    239,167,351.44x = 330,050,949.12 × 129,159,064.44
  4. Step 4: Simplify right side
    239,167,351.44x = 42,629,071,805,873,240
  5. Step 5: Solve for x
    x = 42,629,071,805,873,240/239,167,351.44
  6. Step 6: Final answer
    x = 178,239,511.16

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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.