Home / 419,409,391.14-629,113,542.39-112,701,510.90

Finding the Fourth Proportional to 419,409,391.14, 629,113,542.39 and 112,701,510.90

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Solution

The fourth proportional to 419,409,391.14, 629,113,542.39 and 112,701,510.90 is: 169,052,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,409,391.14 : 629,113,542.39 = 112,701,510.90 : x
  2. Step 2: Convert to fraction form
    419,409,391.14/629,113,542.39 = 112,701,510.90/x
  3. Step 3: Cross multiply
    419,409,391.14x = 629,113,542.39 × 112,701,510.90
  4. Step 4: Simplify right side
    419,409,391.14x = 70,902,046,755,004,200
  5. Step 5: Solve for x
    x = 70,902,046,755,004,200/419,409,391.14
  6. Step 6: Final answer
    x = 169,052,120.08

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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.