Home / 71,640,406.10-107,461,775.52-20,522,226.26

Finding the Fourth Proportional to 71,640,406.10, 107,461,775.52 and 20,522,226.26

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Solution

The fourth proportional to 71,640,406.10, 107,461,775.52 and 20,522,226.26 is: 30,783,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,640,406.10 : 107,461,775.52 = 20,522,226.26 : x
  2. Step 2: Convert to fraction form
    71,640,406.10/107,461,775.52 = 20,522,226.26/x
  3. Step 3: Cross multiply
    71,640,406.10x = 107,461,775.52 × 20,522,226.26
  4. Step 4: Simplify right side
    71,640,406.10x = 2,205,354,871,522,769.25
  5. Step 5: Solve for x
    x = 2,205,354,871,522,769.25/71,640,406.10
  6. Step 6: Final answer
    x = 30,783,673.51

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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.