Home / 57,114,167.52-85,705,292.13-20,725,396.62

Finding the Fourth Proportional to 57,114,167.52, 85,705,292.13 and 20,725,396.62

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Solution

The fourth proportional to 57,114,167.52, 85,705,292.13 and 20,725,396.62 is: 31,100,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,114,167.52 : 85,705,292.13 = 20,725,396.62 : x
  2. Step 2: Convert to fraction form
    57,114,167.52/85,705,292.13 = 20,725,396.62/x
  3. Step 3: Cross multiply
    57,114,167.52x = 85,705,292.13 × 20,725,396.62
  4. Step 4: Simplify right side
    57,114,167.52x = 1,776,276,171,827,214.50
  5. Step 5: Solve for x
    x = 1,776,276,171,827,214.50/57,114,167.52
  6. Step 6: Final answer
    x = 31,100,447.56

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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.