Home / 242,322,029.80-363,485,118.30-80,763,965.80

Finding the Fourth Proportional to 242,322,029.80, 363,485,118.30 and 80,763,965.80

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Solution

The fourth proportional to 242,322,029.80, 363,485,118.30 and 80,763,965.80 is: 121,146,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,322,029.80 : 363,485,118.30 = 80,763,965.80 : x
  2. Step 2: Convert to fraction form
    242,322,029.80/363,485,118.30 = 80,763,965.80/x
  3. Step 3: Cross multiply
    242,322,029.80x = 363,485,118.30 × 80,763,965.80
  4. Step 4: Simplify right side
    242,322,029.80x = 29,356,499,663,190,156
  5. Step 5: Solve for x
    x = 29,356,499,663,190,156/242,322,029.80
  6. Step 6: Final answer
    x = 121,146,639.81

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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.