Home / 86,728,819.53-119,685,943.53-47,570,918.25

Finding the Fourth Proportional to 86,728,819.53, 119,685,943.53 and 47,570,918.25

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Solution

The fourth proportional to 86,728,819.53, 119,685,943.53 and 47,570,918.25 is: 65,647,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728,819.53 : 119,685,943.53 = 47,570,918.25 : x
  2. Step 2: Convert to fraction form
    86,728,819.53/119,685,943.53 = 47,570,918.25/x
  3. Step 3: Cross multiply
    86,728,819.53x = 119,685,943.53 × 47,570,918.25
  4. Step 4: Simplify right side
    86,728,819.53x = 5,693,570,235,339,746
  5. Step 5: Solve for x
    x = 5,693,570,235,339,746/86,728,819.53
  6. Step 6: Final answer
    x = 65,647,961.84

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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.