Home / 61,184,776.60-91,777,164.90-20,795,260.60

Finding the Fourth Proportional to 61,184,776.60, 91,777,164.90 and 20,795,260.60

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Solution

The fourth proportional to 61,184,776.60, 91,777,164.90 and 20,795,260.60 is: 31,192,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184,776.60 : 91,777,164.90 = 20,795,260.60 : x
  2. Step 2: Convert to fraction form
    61,184,776.60/91,777,164.90 = 20,795,260.60/x
  3. Step 3: Cross multiply
    61,184,776.60x = 91,777,164.90 × 20,795,260.60
  4. Step 4: Simplify right side
    61,184,776.60x = 1,908,530,061,224,673.25
  5. Step 5: Solve for x
    x = 1,908,530,061,224,673.25/61,184,776.60
  6. Step 6: Final answer
    x = 31,192,890.90

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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.