Home / 72,651,201.03-100,259,439.93-39,611,180.54

Finding the Fourth Proportional to 72,651,201.03, 100,259,439.93 and 39,611,180.54

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Solution

The fourth proportional to 72,651,201.03, 100,259,439.93 and 39,611,180.54 is: 54,663,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,651,201.03 : 100,259,439.93 = 39,611,180.54 : x
  2. Step 2: Convert to fraction form
    72,651,201.03/100,259,439.93 = 39,611,180.54/x
  3. Step 3: Cross multiply
    72,651,201.03x = 100,259,439.93 × 39,611,180.54
  4. Step 4: Simplify right side
    72,651,201.03x = 3,971,394,776,157,163.50
  5. Step 5: Solve for x
    x = 3,971,394,776,157,163.50/72,651,201.03
  6. Step 6: Final answer
    x = 54,663,855.79

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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.