Home / 65,481,605.40-98,236,404.90-20,047,992.60

Finding the Fourth Proportional to 65,481,605.40, 98,236,404.90 and 20,047,992.60

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Solution

The fourth proportional to 65,481,605.40, 98,236,404.90 and 20,047,992.60 is: 30,076,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,605.40 : 98,236,404.90 = 20,047,992.60 : x
  2. Step 2: Convert to fraction form
    65,481,605.40/98,236,404.90 = 20,047,992.60/x
  3. Step 3: Cross multiply
    65,481,605.40x = 98,236,404.90 × 20,047,992.60
  4. Step 4: Simplify right side
    65,481,605.40x = 1,969,442,718,485,804
  5. Step 5: Solve for x
    x = 1,969,442,718,485,804/65,481,605.40
  6. Step 6: Final answer
    x = 30,076,274.19

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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.