Home / 300,776,153.82-451,070,797.80-145,233,254.58

Finding the Fourth Proportional to 300,776,153.82, 451,070,797.80 and 145,233,254.58

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Solution

The fourth proportional to 300,776,153.82, 451,070,797.80 and 145,233,254.58 is: 217,804,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,776,153.82 : 451,070,797.80 = 145,233,254.58 : x
  2. Step 2: Convert to fraction form
    300,776,153.82/451,070,797.80 = 145,233,254.58/x
  3. Step 3: Cross multiply
    300,776,153.82x = 451,070,797.80 × 145,233,254.58
  4. Step 4: Simplify right side
    300,776,153.82x = 65,510,480,010,491,112
  5. Step 5: Solve for x
    x = 65,510,480,010,491,112/300,776,153.82
  6. Step 6: Final answer
    x = 217,804,766.70

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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.