Home / 164,665,819.82-247,074,157.70-71,321,341.58

Finding the Fourth Proportional to 164,665,819.82, 247,074,157.70 and 71,321,341.58

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Solution

The fourth proportional to 164,665,819.82, 247,074,157.70 and 71,321,341.58 is: 107,014,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,665,819.82 : 247,074,157.70 = 71,321,341.58 : x
  2. Step 2: Convert to fraction form
    164,665,819.82/247,074,157.70 = 71,321,341.58/x
  3. Step 3: Cross multiply
    164,665,819.82x = 247,074,157.70 × 71,321,341.58
  4. Step 4: Simplify right side
    164,665,819.82x = 17,621,660,395,320,510
  5. Step 5: Solve for x
    x = 17,621,660,395,320,510/164,665,819.82
  6. Step 6: Final answer
    x = 107,014,682.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.