Home / 110,543,029.20-165,814,543.80-85,033,861.20

Finding the Fourth Proportional to 110,543,029.20, 165,814,543.80 and 85,033,861.20

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Solution

The fourth proportional to 110,543,029.20, 165,814,543.80 and 85,033,861.20 is: 127,550,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543,029.20 : 165,814,543.80 = 85,033,861.20 : x
  2. Step 2: Convert to fraction form
    110,543,029.20/165,814,543.80 = 85,033,861.20/x
  3. Step 3: Cross multiply
    110,543,029.20x = 165,814,543.80 × 85,033,861.20
  4. Step 4: Simplify right side
    110,543,029.20x = 14,099,850,902,430,522
  5. Step 5: Solve for x
    x = 14,099,850,902,430,522/110,543,029.20
  6. Step 6: Final answer
    x = 127,550,791.80

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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.