Home / 217,074,649.14-325,662,342.75-71,502,991.38

Finding the Fourth Proportional to 217,074,649.14, 325,662,342.75 and 71,502,991.38

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Solution

The fourth proportional to 217,074,649.14, 325,662,342.75 and 71,502,991.38 is: 107,271,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,074,649.14 : 325,662,342.75 = 71,502,991.38 : x
  2. Step 2: Convert to fraction form
    217,074,649.14/325,662,342.75 = 71,502,991.38/x
  3. Step 3: Cross multiply
    217,074,649.14x = 325,662,342.75 × 71,502,991.38
  4. Step 4: Simplify right side
    217,074,649.14x = 23,285,831,686,443,852
  5. Step 5: Solve for x
    x = 23,285,831,686,443,852/217,074,649.14
  6. Step 6: Final answer
    x = 107,271,078.31

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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.