Home / 57,392,390.82-86,144,076.36-54,281,592.75

Finding the Fourth Proportional to 57,392,390.82, 86,144,076.36 and 54,281,592.75

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Solution

The fourth proportional to 57,392,390.82, 86,144,076.36 and 54,281,592.75 is: 81,474,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,392,390.82 : 86,144,076.36 = 54,281,592.75 : x
  2. Step 2: Convert to fraction form
    57,392,390.82/86,144,076.36 = 54,281,592.75/x
  3. Step 3: Cross multiply
    57,392,390.82x = 86,144,076.36 × 54,281,592.75
  4. Step 4: Simplify right side
    57,392,390.82x = 4,676,037,670,798,422
  5. Step 5: Solve for x
    x = 4,676,037,670,798,422/57,392,390.82
  6. Step 6: Final answer
    x = 81,474,871.56

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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.