Home / 85,193,872.60-127,790,808.90-58,320,016.60

Finding the Fourth Proportional to 85,193,872.60, 127,790,808.90 and 58,320,016.60

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Solution

The fourth proportional to 85,193,872.60, 127,790,808.90 and 58,320,016.60 is: 87,480,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,872.60 : 127,790,808.90 = 58,320,016.60 : x
  2. Step 2: Convert to fraction form
    85,193,872.60/127,790,808.90 = 58,320,016.60/x
  3. Step 3: Cross multiply
    85,193,872.60x = 127,790,808.90 × 58,320,016.60
  4. Step 4: Simplify right side
    85,193,872.60x = 7,452,762,096,375,428
  5. Step 5: Solve for x
    x = 7,452,762,096,375,428/85,193,872.60
  6. Step 6: Final answer
    x = 87,480,024.90

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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.