Home / 78,546,987.72-117,839,027.34-24,694,299.72

Finding the Fourth Proportional to 78,546,987.72, 117,839,027.34 and 24,694,299.72

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Solution

The fourth proportional to 78,546,987.72, 117,839,027.34 and 24,694,299.72 is: 37,047,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,987.72 : 117,839,027.34 = 24,694,299.72 : x
  2. Step 2: Convert to fraction form
    78,546,987.72/117,839,027.34 = 24,694,299.72/x
  3. Step 3: Cross multiply
    78,546,987.72x = 117,839,027.34 × 24,694,299.72
  4. Step 4: Simplify right side
    78,546,987.72x = 2,909,952,259,847,234.50
  5. Step 5: Solve for x
    x = 2,909,952,259,847,234.50/78,546,987.72
  6. Step 6: Final answer
    x = 37,047,280.16

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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.