Home / 135,716,912.72-203,594,290.68-43,603,440.56

Finding the Fourth Proportional to 135,716,912.72, 203,594,290.68 and 43,603,440.56

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Solution

The fourth proportional to 135,716,912.72, 203,594,290.68 and 43,603,440.56 is: 65,411,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,716,912.72 : 203,594,290.68 = 43,603,440.56 : x
  2. Step 2: Convert to fraction form
    135,716,912.72/203,594,290.68 = 43,603,440.56/x
  3. Step 3: Cross multiply
    135,716,912.72x = 203,594,290.68 × 43,603,440.56
  4. Step 4: Simplify right side
    135,716,912.72x = 8,877,411,552,020,743
  5. Step 5: Solve for x
    x = 8,877,411,552,020,743/135,716,912.72
  6. Step 6: Final answer
    x = 65,411,240.01

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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.