Home / 149,040,640.77-223,656,620.63-72,321,818.01

Finding the Fourth Proportional to 149,040,640.77, 223,656,620.63 and 72,321,818.01

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Solution

The fourth proportional to 149,040,640.77, 223,656,620.63 and 72,321,818.01 is: 108,529,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040,640.77 : 223,656,620.63 = 72,321,818.01 : x
  2. Step 2: Convert to fraction form
    149,040,640.77/223,656,620.63 = 72,321,818.01/x
  3. Step 3: Cross multiply
    149,040,640.77x = 223,656,620.63 × 72,321,818.01
  4. Step 4: Simplify right side
    149,040,640.77x = 16,175,253,413,572,864
  5. Step 5: Solve for x
    x = 16,175,253,413,572,864/149,040,640.77
  6. Step 6: Final answer
    x = 108,529,145.67

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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.