Home / 123,777,236.50-185,672,021.82-47,106,206.98

Finding the Fourth Proportional to 123,777,236.50, 185,672,021.82 and 47,106,206.98

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Solution

The fourth proportional to 123,777,236.50, 185,672,021.82 and 47,106,206.98 is: 70,661,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,236.50 : 185,672,021.82 = 47,106,206.98 : x
  2. Step 2: Convert to fraction form
    123,777,236.50/185,672,021.82 = 47,106,206.98/x
  3. Step 3: Cross multiply
    123,777,236.50x = 185,672,021.82 × 47,106,206.98
  4. Step 4: Simplify right side
    123,777,236.50x = 8,746,304,689,084,105
  5. Step 5: Solve for x
    x = 8,746,304,689,084,105/123,777,236.50
  6. Step 6: Final answer
    x = 70,661,657.48

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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.