Home / 30,556,747,063.45-45,835,109,807.21-8,171,913,625.81

Finding the Fourth Proportional to 30,556,747,063.45, 45,835,109,807.21 and 8,171,913,625.81

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Solution

The fourth proportional to 30,556,747,063.45, 45,835,109,807.21 and 8,171,913,625.81 is: 12,257,867,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,747,063.45 : 45,835,109,807.21 = 8,171,913,625.81 : x
  2. Step 2: Convert to fraction form
    30,556,747,063.45/45,835,109,807.21 = 8,171,913,625.81/x
  3. Step 3: Cross multiply
    30,556,747,063.45x = 45,835,109,807.21 × 8,171,913,625.81
  4. Step 4: Simplify right side
    30,556,747,063.45x = 374,560,558,373,906,022,400
  5. Step 5: Solve for x
    x = 374,560,558,373,906,022,400/30,556,747,063.45
  6. Step 6: Final answer
    x = 12,257,867,553.64

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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.