Home / 211,378,575.24-316,991,791.72-73,166,629.32

Finding the Fourth Proportional to 211,378,575.24, 316,991,791.72 and 73,166,629.32

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Solution

The fourth proportional to 211,378,575.24, 316,991,791.72 and 73,166,629.32 is: 109,723,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,378,575.24 : 316,991,791.72 = 73,166,629.32 : x
  2. Step 2: Convert to fraction form
    211,378,575.24/316,991,791.72 = 73,166,629.32/x
  3. Step 3: Cross multiply
    211,378,575.24x = 316,991,791.72 × 73,166,629.32
  4. Step 4: Simplify right side
    211,378,575.24x = 23,193,220,923,128,136
  5. Step 5: Solve for x
    x = 23,193,220,923,128,136/211,378,575.24
  6. Step 6: Final answer
    x = 109,723,612.70

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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.