Home / 85,200,214.60-127,800,321.90-51,104,009.80

Finding the Fourth Proportional to 85,200,214.60, 127,800,321.90 and 51,104,009.80

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Solution

The fourth proportional to 85,200,214.60, 127,800,321.90 and 51,104,009.80 is: 76,656,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,200,214.60 : 127,800,321.90 = 51,104,009.80 : x
  2. Step 2: Convert to fraction form
    85,200,214.60/127,800,321.90 = 51,104,009.80/x
  3. Step 3: Cross multiply
    85,200,214.60x = 127,800,321.90 × 51,104,009.80
  4. Step 4: Simplify right side
    85,200,214.60x = 6,531,108,902,820,755
  5. Step 5: Solve for x
    x = 6,531,108,902,820,755/85,200,214.60
  6. Step 6: Final answer
    x = 76,656,014.70

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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.