Home / 150,151,523.87-207,199,961.72-83,166,511.41

Finding the Fourth Proportional to 150,151,523.87, 207,199,961.72 and 83,166,511.41

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Solution

The fourth proportional to 150,151,523.87, 207,199,961.72 and 83,166,511.41 is: 114,764,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,523.87 : 207,199,961.72 = 83,166,511.41 : x
  2. Step 2: Convert to fraction form
    150,151,523.87/207,199,961.72 = 83,166,511.41/x
  3. Step 3: Cross multiply
    150,151,523.87x = 207,199,961.72 × 83,166,511.41
  4. Step 4: Simplify right side
    150,151,523.87x = 17,232,097,980,537,942
  5. Step 5: Solve for x
    x = 17,232,097,980,537,942/150,151,523.87
  6. Step 6: Final answer
    x = 114,764,722.57

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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.