Home / 276,836,261.80-415,201,248.60-82,754,008.60

Finding the Fourth Proportional to 276,836,261.80, 415,201,248.60 and 82,754,008.60

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Solution

The fourth proportional to 276,836,261.80, 415,201,248.60 and 82,754,008.60 is: 124,115,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,836,261.80 : 415,201,248.60 = 82,754,008.60 : x
  2. Step 2: Convert to fraction form
    276,836,261.80/415,201,248.60 = 82,754,008.60/x
  3. Step 3: Cross multiply
    276,836,261.80x = 415,201,248.60 × 82,754,008.60
  4. Step 4: Simplify right side
    276,836,261.80x = 34,359,567,697,375,136
  5. Step 5: Solve for x
    x = 34,359,567,697,375,136/276,836,261.80
  6. Step 6: Final answer
    x = 124,115,126.66

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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.