Home / 81,660,147.60-122,490,221.40-58,701,896.40

Finding the Fourth Proportional to 81,660,147.60, 122,490,221.40 and 58,701,896.40

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Solution

The fourth proportional to 81,660,147.60, 122,490,221.40 and 58,701,896.40 is: 88,052,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660,147.60 : 122,490,221.40 = 58,701,896.40 : x
  2. Step 2: Convert to fraction form
    81,660,147.60/122,490,221.40 = 58,701,896.40/x
  3. Step 3: Cross multiply
    81,660,147.60x = 122,490,221.40 × 58,701,896.40
  4. Step 4: Simplify right side
    81,660,147.60x = 7,190,408,286,635,863
  5. Step 5: Solve for x
    x = 7,190,408,286,635,863/81,660,147.60
  6. Step 6: Final answer
    x = 88,052,844.60

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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.