Home / 242,632,992.20-363,949,488.30-121,448,697.80

Finding the Fourth Proportional to 242,632,992.20, 363,949,488.30 and 121,448,697.80

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Solution

The fourth proportional to 242,632,992.20, 363,949,488.30 and 121,448,697.80 is: 182,173,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,632,992.20 : 363,949,488.30 = 121,448,697.80 : x
  2. Step 2: Convert to fraction form
    242,632,992.20/363,949,488.30 = 121,448,697.80/x
  3. Step 3: Cross multiply
    242,632,992.20x = 363,949,488.30 × 121,448,697.80
  4. Step 4: Simplify right side
    242,632,992.20x = 44,201,191,419,011,336
  5. Step 5: Solve for x
    x = 44,201,191,419,011,336/242,632,992.20
  6. Step 6: Final answer
    x = 182,173,046.70

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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.