Home / 203,281,768.80-304,922,653.20-122,660,200.80

Finding the Fourth Proportional to 203,281,768.80, 304,922,653.20 and 122,660,200.80

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Solution

The fourth proportional to 203,281,768.80, 304,922,653.20 and 122,660,200.80 is: 183,990,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,281,768.80 : 304,922,653.20 = 122,660,200.80 : x
  2. Step 2: Convert to fraction form
    203,281,768.80/304,922,653.20 = 122,660,200.80/x
  3. Step 3: Cross multiply
    203,281,768.80x = 304,922,653.20 × 122,660,200.80
  4. Step 4: Simplify right side
    203,281,768.80x = 37,401,873,869,980,760
  5. Step 5: Solve for x
    x = 37,401,873,869,980,760/203,281,768.80
  6. Step 6: Final answer
    x = 183,990,301.20

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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.