Home / 257,923,814.56-386,527,786.55-117,521,146.59

Finding the Fourth Proportional to 257,923,814.56, 386,527,786.55 and 117,521,146.59

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Solution

The fourth proportional to 257,923,814.56, 386,527,786.55 and 117,521,146.59 is: 176,118,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,923,814.56 : 386,527,786.55 = 117,521,146.59 : x
  2. Step 2: Convert to fraction form
    257,923,814.56/386,527,786.55 = 117,521,146.59/x
  3. Step 3: Cross multiply
    257,923,814.56x = 386,527,786.55 × 117,521,146.59
  4. Step 4: Simplify right side
    257,923,814.56x = 45,425,188,662,654,400
  5. Step 5: Solve for x
    x = 45,425,188,662,654,400/257,923,814.56
  6. Step 6: Final answer
    x = 176,118,629.22

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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.