Home / 89,844,535.56-123,991,128.36-50,672,019.72

Finding the Fourth Proportional to 89,844,535.56, 123,991,128.36 and 50,672,019.72

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Solution

The fourth proportional to 89,844,535.56, 123,991,128.36 and 50,672,019.72 is: 69,930,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,844,535.56 : 123,991,128.36 = 50,672,019.72 : x
  2. Step 2: Convert to fraction form
    89,844,535.56/123,991,128.36 = 50,672,019.72/x
  3. Step 3: Cross multiply
    89,844,535.56x = 123,991,128.36 × 50,672,019.72
  4. Step 4: Simplify right side
    89,844,535.56x = 6,282,880,901,362,971
  5. Step 5: Solve for x
    x = 6,282,880,901,362,971/89,844,535.56
  6. Step 6: Final answer
    x = 69,930,584.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.