Home / 53,405,999.20-80,108,998.80-35,455,103.20

Finding the Fourth Proportional to 53,405,999.20, 80,108,998.80 and 35,455,103.20

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Solution

The fourth proportional to 53,405,999.20, 80,108,998.80 and 35,455,103.20 is: 53,182,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405,999.20 : 80,108,998.80 = 35,455,103.20 : x
  2. Step 2: Convert to fraction form
    53,405,999.20/80,108,998.80 = 35,455,103.20/x
  3. Step 3: Cross multiply
    53,405,999.20x = 80,108,998.80 × 35,455,103.20
  4. Step 4: Simplify right side
    53,405,999.20x = 2,840,272,819,702,676.50
  5. Step 5: Solve for x
    x = 2,840,272,819,702,676.50/53,405,999.20
  6. Step 6: Final answer
    x = 53,182,654.80

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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.