Home / 393,405,069.24-590,099,500.35-131,108,668.35

Finding the Fourth Proportional to 393,405,069.24, 590,099,500.35 and 131,108,668.35

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Solution

The fourth proportional to 393,405,069.24, 590,099,500.35 and 131,108,668.35 is: 196,660,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,405,069.24 : 590,099,500.35 = 131,108,668.35 : x
  2. Step 2: Convert to fraction form
    393,405,069.24/590,099,500.35 = 131,108,668.35/x
  3. Step 3: Cross multiply
    393,405,069.24x = 590,099,500.35 × 131,108,668.35
  4. Step 4: Simplify right side
    393,405,069.24x = 77,367,159,684,888,864
  5. Step 5: Solve for x
    x = 77,367,159,684,888,864/393,405,069.24
  6. Step 6: Final answer
    x = 196,660,301.90

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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.