Home / 291,523,992.72-437,286,816.63-84,279,272.73

Finding the Fourth Proportional to 291,523,992.72, 437,286,816.63 and 84,279,272.73

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Solution

The fourth proportional to 291,523,992.72, 437,286,816.63 and 84,279,272.73 is: 126,419,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,523,992.72 : 437,286,816.63 = 84,279,272.73 : x
  2. Step 2: Convert to fraction form
    291,523,992.72/437,286,816.63 = 84,279,272.73/x
  3. Step 3: Cross multiply
    291,523,992.72x = 437,286,816.63 × 84,279,272.73
  4. Step 4: Simplify right side
    291,523,992.72x = 36,854,214,879,993,272
  5. Step 5: Solve for x
    x = 36,854,214,879,993,272/291,523,992.72
  6. Step 6: Final answer
    x = 126,419,148.34

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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.