Home / 133,469,938.45-200,131,923.88-105,980,440.11

Finding the Fourth Proportional to 133,469,938.45, 200,131,923.88 and 105,980,440.11

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Solution

The fourth proportional to 133,469,938.45, 200,131,923.88 and 105,980,440.11 is: 158,912,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,469,938.45 : 200,131,923.88 = 105,980,440.11 : x
  2. Step 2: Convert to fraction form
    133,469,938.45/200,131,923.88 = 105,980,440.11/x
  3. Step 3: Cross multiply
    133,469,938.45x = 200,131,923.88 × 105,980,440.11
  4. Step 4: Simplify right side
    133,469,938.45x = 21,210,069,372,863,420
  5. Step 5: Solve for x
    x = 21,210,069,372,863,420/133,469,938.45
  6. Step 6: Final answer
    x = 158,912,708.13

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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.