Home / 80,797,942.20-121,212,659.70-34,739,722.20

Finding the Fourth Proportional to 80,797,942.20, 121,212,659.70 and 34,739,722.20

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Solution

The fourth proportional to 80,797,942.20, 121,212,659.70 and 34,739,722.20 is: 52,116,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,797,942.20 : 121,212,659.70 = 34,739,722.20 : x
  2. Step 2: Convert to fraction form
    80,797,942.20/121,212,659.70 = 34,739,722.20/x
  3. Step 3: Cross multiply
    80,797,942.20x = 121,212,659.70 × 34,739,722.20
  4. Step 4: Simplify right side
    80,797,942.20x = 4,210,894,125,101,136
  5. Step 5: Solve for x
    x = 4,210,894,125,101,136/80,797,942.20
  6. Step 6: Final answer
    x = 52,116,353.59

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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.