Home / 171,180,336.62-256,936,545.43-82,611,237.06

Finding the Fourth Proportional to 171,180,336.62, 256,936,545.43 and 82,611,237.06

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Solution

The fourth proportional to 171,180,336.62, 256,936,545.43 and 82,611,237.06 is: 123,996,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,180,336.62 : 256,936,545.43 = 82,611,237.06 : x
  2. Step 2: Convert to fraction form
    171,180,336.62/256,936,545.43 = 82,611,237.06/x
  3. Step 3: Cross multiply
    171,180,336.62x = 256,936,545.43 × 82,611,237.06
  4. Step 4: Simplify right side
    171,180,336.62x = 21,225,845,862,197,452
  5. Step 5: Solve for x
    x = 21,225,845,862,197,452/171,180,336.62
  6. Step 6: Final answer
    x = 123,996,986.35

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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.