Home / 72,983,863.98-100,717,999.20-39,493,343.33

Finding the Fourth Proportional to 72,983,863.98, 100,717,999.20 and 39,493,343.33

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Solution

The fourth proportional to 72,983,863.98, 100,717,999.20 and 39,493,343.33 is: 54,500,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983,863.98 : 100,717,999.20 = 39,493,343.33 : x
  2. Step 2: Convert to fraction form
    72,983,863.98/100,717,999.20 = 39,493,343.33/x
  3. Step 3: Cross multiply
    72,983,863.98x = 100,717,999.20 × 39,493,343.33
  4. Step 4: Simplify right side
    72,983,863.98x = 3,977,690,521,412,676
  5. Step 5: Solve for x
    x = 3,977,690,521,412,676/72,983,863.98
  6. Step 6: Final answer
    x = 54,500,958.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.