Home / 56,938,537.14-85,390,143.92-20,542,195.87

Finding the Fourth Proportional to 56,938,537.14, 85,390,143.92 and 20,542,195.87

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Solution

The fourth proportional to 56,938,537.14, 85,390,143.92 and 20,542,195.87 is: 30,806,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,537.14 : 85,390,143.92 = 20,542,195.87 : x
  2. Step 2: Convert to fraction form
    56,938,537.14/85,390,143.92 = 20,542,195.87/x
  3. Step 3: Cross multiply
    56,938,537.14x = 85,390,143.92 × 20,542,195.87
  4. Step 4: Simplify right side
    56,938,537.14x = 1,754,101,061,682,023.50
  5. Step 5: Solve for x
    x = 1,754,101,061,682,023.50/56,938,537.14
  6. Step 6: Final answer
    x = 30,806,921.81

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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.