Home / 86,321,440.39-119,122,179.97-47,162,374.33

Finding the Fourth Proportional to 86,321,440.39, 119,122,179.97 and 47,162,374.33

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Solution

The fourth proportional to 86,321,440.39, 119,122,179.97 and 47,162,374.33 is: 65,083,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,440.39 : 119,122,179.97 = 47,162,374.33 : x
  2. Step 2: Convert to fraction form
    86,321,440.39/119,122,179.97 = 47,162,374.33/x
  3. Step 3: Cross multiply
    86,321,440.39x = 119,122,179.97 × 47,162,374.33
  4. Step 4: Simplify right side
    86,321,440.39x = 5,618,084,842,750,768
  5. Step 5: Solve for x
    x = 5,618,084,842,750,768/86,321,440.39
  6. Step 6: Final answer
    x = 65,083,307.43

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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.