Home / 56,938,696.88-85,390,380.83-20,542,355.73

Finding the Fourth Proportional to 56,938,696.88, 85,390,380.83 and 20,542,355.73

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Solution

The fourth proportional to 56,938,696.88, 85,390,380.83 and 20,542,355.73 is: 30,807,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,696.88 : 85,390,380.83 = 20,542,355.73 : x
  2. Step 2: Convert to fraction form
    56,938,696.88/85,390,380.83 = 20,542,355.73/x
  3. Step 3: Cross multiply
    56,938,696.88x = 85,390,380.83 × 20,542,355.73
  4. Step 4: Simplify right side
    56,938,696.88x = 1,754,119,578,981,388.50
  5. Step 5: Solve for x
    x = 1,754,119,578,981,388.50/56,938,696.88
  6. Step 6: Final answer
    x = 30,807,160.60

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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.