Home / 145,741,174.32-201,122,650.14-79,662,106.56

Finding the Fourth Proportional to 145,741,174.32, 201,122,650.14 and 79,662,106.56

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Solution

The fourth proportional to 145,741,174.32, 201,122,650.14 and 79,662,106.56 is: 109,933,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741,174.32 : 201,122,650.14 = 79,662,106.56 : x
  2. Step 2: Convert to fraction form
    145,741,174.32/201,122,650.14 = 79,662,106.56/x
  3. Step 3: Cross multiply
    145,741,174.32x = 201,122,650.14 × 79,662,106.56
  4. Step 4: Simplify right side
    145,741,174.32x = 16,021,853,987,082,278
  5. Step 5: Solve for x
    x = 16,021,853,987,082,278/145,741,174.32
  6. Step 6: Final answer
    x = 109,933,613.90

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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.