Home / 61,189,991.60-91,758,415.35-20,233,605.20

Finding the Fourth Proportional to 61,189,991.60, 91,758,415.35 and 20,233,605.20

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Solution

The fourth proportional to 61,189,991.60, 91,758,415.35 and 20,233,605.20 is: 30,341,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189,991.60 : 91,758,415.35 = 20,233,605.20 : x
  2. Step 2: Convert to fraction form
    61,189,991.60/91,758,415.35 = 20,233,605.20/x
  3. Step 3: Cross multiply
    61,189,991.60x = 91,758,415.35 × 20,233,605.20
  4. Step 4: Simplify right side
    61,189,991.60x = 1,856,603,549,969,519.75
  5. Step 5: Solve for x
    x = 1,856,603,549,969,519.75/61,189,991.60
  6. Step 6: Final answer
    x = 30,341,621.26

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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.