Home / 135,733,131-203,342,806.74-80,234,812.92

Finding the Fourth Proportional to 135,733,131, 203,342,806.74 and 80,234,812.92

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Solution

The fourth proportional to 135,733,131, 203,342,806.74 and 80,234,812.92 is: 120,200,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,733,131 : 203,342,806.74 = 80,234,812.92 : x
  2. Step 2: Convert to fraction form
    135,733,131/203,342,806.74 = 80,234,812.92/x
  3. Step 3: Cross multiply
    135,733,131x = 203,342,806.74 × 80,234,812.92
  4. Step 4: Simplify right side
    135,733,131x = 16,315,172,057,411,616
  5. Step 5: Solve for x
    x = 16,315,172,057,411,616/135,733,131
  6. Step 6: Final answer
    x = 120,200,366.24

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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.