Home / 133,452,142.20-200,178,213.30-79,704,430.20

Finding the Fourth Proportional to 133,452,142.20, 200,178,213.30 and 79,704,430.20

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Solution

The fourth proportional to 133,452,142.20, 200,178,213.30 and 79,704,430.20 is: 119,556,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,452,142.20 : 200,178,213.30 = 79,704,430.20 : x
  2. Step 2: Convert to fraction form
    133,452,142.20/200,178,213.30 = 79,704,430.20/x
  3. Step 3: Cross multiply
    133,452,142.20x = 200,178,213.30 × 79,704,430.20
  4. Step 4: Simplify right side
    133,452,142.20x = 15,955,090,429,530,564
  5. Step 5: Solve for x
    x = 15,955,090,429,530,564/133,452,142.20
  6. Step 6: Final answer
    x = 119,556,645.30

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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.