Home / 72,407,936.20-108,611,904.30-41,796,934.60

Finding the Fourth Proportional to 72,407,936.20, 108,611,904.30 and 41,796,934.60

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Solution

The fourth proportional to 72,407,936.20, 108,611,904.30 and 41,796,934.60 is: 62,695,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407,936.20 : 108,611,904.30 = 41,796,934.60 : x
  2. Step 2: Convert to fraction form
    72,407,936.20/108,611,904.30 = 41,796,934.60/x
  3. Step 3: Cross multiply
    72,407,936.20x = 108,611,904.30 × 41,796,934.60
  4. Step 4: Simplify right side
    72,407,936.20x = 4,539,644,660,808,559
  5. Step 5: Solve for x
    x = 4,539,644,660,808,559/72,407,936.20
  6. Step 6: Final answer
    x = 62,695,401.90

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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.