Home / 81,936,776.66-122,825,282.36-32,737,963.90

Finding the Fourth Proportional to 81,936,776.66, 122,825,282.36 and 32,737,963.90

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Solution

The fourth proportional to 81,936,776.66, 122,825,282.36 and 32,737,963.90 is: 49,075,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,936,776.66 : 122,825,282.36 = 32,737,963.90 : x
  2. Step 2: Convert to fraction form
    81,936,776.66/122,825,282.36 = 32,737,963.90/x
  3. Step 3: Cross multiply
    81,936,776.66x = 122,825,282.36 × 32,737,963.90
  4. Step 4: Simplify right side
    81,936,776.66x = 4,021,049,659,908,986.50
  5. Step 5: Solve for x
    x = 4,021,049,659,908,986.50/81,936,776.66
  6. Step 6: Final answer
    x = 49,075,028.62

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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.