Home / 57,328,800.12-86,030,196.12-20,934,143.28

Finding the Fourth Proportional to 57,328,800.12, 86,030,196.12 and 20,934,143.28

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Solution

The fourth proportional to 57,328,800.12, 86,030,196.12 and 20,934,143.28 is: 31,414,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328,800.12 : 86,030,196.12 = 20,934,143.28 : x
  2. Step 2: Convert to fraction form
    57,328,800.12/86,030,196.12 = 20,934,143.28/x
  3. Step 3: Cross multiply
    57,328,800.12x = 86,030,196.12 × 20,934,143.28
  4. Step 4: Simplify right side
    57,328,800.12x = 1,800,968,451,982,580.25
  5. Step 5: Solve for x
    x = 1,800,968,451,982,580.25/57,328,800.12
  6. Step 6: Final answer
    x = 31,414,724.33

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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.