Home / 77,385,474.28-116,150,936.53-40,523,821.34

Finding the Fourth Proportional to 77,385,474.28, 116,150,936.53 and 40,523,821.34

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Solution

The fourth proportional to 77,385,474.28, 116,150,936.53 and 40,523,821.34 is: 60,823,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,385,474.28 : 116,150,936.53 = 40,523,821.34 : x
  2. Step 2: Convert to fraction form
    77,385,474.28/116,150,936.53 = 40,523,821.34/x
  3. Step 3: Cross multiply
    77,385,474.28x = 116,150,936.53 × 40,523,821.34
  4. Step 4: Simplify right side
    77,385,474.28x = 4,706,879,800,462,869
  5. Step 5: Solve for x
    x = 4,706,879,800,462,869/77,385,474.28
  6. Step 6: Final answer
    x = 60,823,815.38

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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.