Home / 217,231,220.82-299,789,855.27-134,751,577.62

Finding the Fourth Proportional to 217,231,220.82, 299,789,855.27 and 134,751,577.62

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Solution

The fourth proportional to 217,231,220.82, 299,789,855.27 and 134,751,577.62 is: 185,963,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,231,220.82 : 299,789,855.27 = 134,751,577.62 : x
  2. Step 2: Convert to fraction form
    217,231,220.82/299,789,855.27 = 134,751,577.62/x
  3. Step 3: Cross multiply
    217,231,220.82x = 299,789,855.27 × 134,751,577.62
  4. Step 4: Simplify right side
    217,231,220.82x = 40,397,155,953,818,400
  5. Step 5: Solve for x
    x = 40,397,155,953,818,400/217,231,220.82
  6. Step 6: Final answer
    x = 185,963,858.24

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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.