Home / 171,180,335.87-256,936,544.30-82,611,236.30

Finding the Fourth Proportional to 171,180,335.87, 256,936,544.30 and 82,611,236.30

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Solution

The fourth proportional to 171,180,335.87, 256,936,544.30 and 82,611,236.30 is: 123,996,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,180,335.87 : 256,936,544.30 = 82,611,236.30 : x
  2. Step 2: Convert to fraction form
    171,180,335.87/256,936,544.30 = 82,611,236.30/x
  3. Step 3: Cross multiply
    171,180,335.87x = 256,936,544.30 × 82,611,236.30
  4. Step 4: Simplify right side
    171,180,335.87x = 21,225,845,575,708,532
  5. Step 5: Solve for x
    x = 21,225,845,575,708,532/171,180,335.87
  6. Step 6: Final answer
    x = 123,996,985.22

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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.