Home / 70,962,469.08-97,928,189.10-40,022,568.60

Finding the Fourth Proportional to 70,962,469.08, 97,928,189.10 and 40,022,568.60

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Solution

The fourth proportional to 70,962,469.08, 97,928,189.10 and 40,022,568.60 is: 55,231,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962,469.08 : 97,928,189.10 = 40,022,568.60 : x
  2. Step 2: Convert to fraction form
    70,962,469.08/97,928,189.10 = 40,022,568.60/x
  3. Step 3: Cross multiply
    70,962,469.08x = 97,928,189.10 × 40,022,568.60
  4. Step 4: Simplify right side
    70,962,469.08x = 3,919,337,666,128,522
  5. Step 5: Solve for x
    x = 3,919,337,666,128,522/70,962,469.08
  6. Step 6: Final answer
    x = 55,231,134.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.