Home / 230,789,410,668.72-318,489,416,911.92-127,913,172,073.63

Finding the Fourth Proportional to 230,789,410,668.72, 318,489,416,911.92 and 127,913,172,073.63

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Solution

The fourth proportional to 230,789,410,668.72, 318,489,416,911.92 and 127,913,172,073.63 is: 176,520,194,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,789,410,668.72 : 318,489,416,911.92 = 127,913,172,073.63 : x
  2. Step 2: Convert to fraction form
    230,789,410,668.72/318,489,416,911.92 = 127,913,172,073.63/x
  3. Step 3: Cross multiply
    230,789,410,668.72x = 318,489,416,911.92 × 127,913,172,073.63
  4. Step 4: Simplify right side
    230,789,410,668.72x = 40,738,991,589,084,507,406,336
  5. Step 5: Solve for x
    x = 40,738,991,589,084,507,406,336/230,789,410,668.72
  6. Step 6: Final answer
    x = 176,520,194,193.67

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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.