Home / 200,655,196.44-300,968,179.74-90,025,123.56

Finding the Fourth Proportional to 200,655,196.44, 300,968,179.74 and 90,025,123.56

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Solution

The fourth proportional to 200,655,196.44, 300,968,179.74 and 90,025,123.56 is: 135,031,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,655,196.44 : 300,968,179.74 = 90,025,123.56 : x
  2. Step 2: Convert to fraction form
    200,655,196.44/300,968,179.74 = 90,025,123.56/x
  3. Step 3: Cross multiply
    200,655,196.44x = 300,968,179.74 × 90,025,123.56
  4. Step 4: Simplify right side
    200,655,196.44x = 27,094,697,568,721,792
  5. Step 5: Solve for x
    x = 27,094,697,568,721,792/200,655,196.44
  6. Step 6: Final answer
    x = 135,031,128.27

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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.