Home / 200,406,639.42-300,099,644.55-132,042,069.18

Finding the Fourth Proportional to 200,406,639.42, 300,099,644.55 and 132,042,069.18

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Solution

The fourth proportional to 200,406,639.42, 300,099,644.55 and 132,042,069.18 is: 197,726,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,406,639.42 : 300,099,644.55 = 132,042,069.18 : x
  2. Step 2: Convert to fraction form
    200,406,639.42/300,099,644.55 = 132,042,069.18/x
  3. Step 3: Cross multiply
    200,406,639.42x = 300,099,644.55 × 132,042,069.18
  4. Step 4: Simplify right side
    200,406,639.42x = 39,625,778,026,564,512
  5. Step 5: Solve for x
    x = 39,625,778,026,564,512/200,406,639.42
  6. Step 6: Final answer
    x = 197,726,872.43

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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.