Home / 86,728,819.54-119,685,943.54-47,570,918.26

Finding the Fourth Proportional to 86,728,819.54, 119,685,943.54 and 47,570,918.26

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Solution

The fourth proportional to 86,728,819.54, 119,685,943.54 and 47,570,918.26 is: 65,647,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728,819.54 : 119,685,943.54 = 47,570,918.26 : x
  2. Step 2: Convert to fraction form
    86,728,819.54/119,685,943.54 = 47,570,918.26/x
  3. Step 3: Cross multiply
    86,728,819.54x = 119,685,943.54 × 47,570,918.26
  4. Step 4: Simplify right side
    86,728,819.54x = 5,693,570,237,012,315
  5. Step 5: Solve for x
    x = 5,693,570,237,012,315/86,728,819.54
  6. Step 6: Final answer
    x = 65,647,961.86

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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.