Home / 207,494,376,989.82-311,248,455,288.57-71,355,165,916.38

Finding the Fourth Proportional to 207,494,376,989.82, 311,248,455,288.57 and 71,355,165,916.38

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Solution

The fourth proportional to 207,494,376,989.82, 311,248,455,288.57 and 71,355,165,916.38 is: 107,035,118,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,494,376,989.82 : 311,248,455,288.57 = 71,355,165,916.38 : x
  2. Step 2: Convert to fraction form
    207,494,376,989.82/311,248,455,288.57 = 71,355,165,916.38/x
  3. Step 3: Cross multiply
    207,494,376,989.82x = 311,248,455,288.57 × 71,355,165,916.38
  4. Step 4: Simplify right side
    207,494,376,989.82x = 22,209,185,168,332,895,027,200
  5. Step 5: Solve for x
    x = 22,209,185,168,332,895,027,200/207,494,376,989.82
  6. Step 6: Final answer
    x = 107,035,118,206.71

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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.