Home / 53,330,910.03-80,029,992.80-20,978,608.10

Finding the Fourth Proportional to 53,330,910.03, 80,029,992.80 and 20,978,608.10

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Solution

The fourth proportional to 53,330,910.03, 80,029,992.80 and 20,978,608.10 is: 31,481,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330,910.03 : 80,029,992.80 = 20,978,608.10 : x
  2. Step 2: Convert to fraction form
    53,330,910.03/80,029,992.80 = 20,978,608.10/x
  3. Step 3: Cross multiply
    53,330,910.03x = 80,029,992.80 × 20,978,608.10
  4. Step 4: Simplify right side
    53,330,910.03x = 1,678,917,854,849,318
  5. Step 5: Solve for x
    x = 1,678,917,854,849,318/53,330,910.03
  6. Step 6: Final answer
    x = 31,481,140.19

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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.