Home / 57,489,786.72-86,173,269.12-28,679,123.52

Finding the Fourth Proportional to 57,489,786.72, 86,173,269.12 and 28,679,123.52

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Solution

The fourth proportional to 57,489,786.72, 86,173,269.12 and 28,679,123.52 is: 42,988,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,489,786.72 : 86,173,269.12 = 28,679,123.52 : x
  2. Step 2: Convert to fraction form
    57,489,786.72/86,173,269.12 = 28,679,123.52/x
  3. Step 3: Cross multiply
    57,489,786.72x = 86,173,269.12 × 28,679,123.52
  4. Step 4: Simplify right side
    57,489,786.72x = 2,471,373,829,214,682
  5. Step 5: Solve for x
    x = 2,471,373,829,214,682/57,489,786.72
  6. Step 6: Final answer
    x = 42,988,050.06

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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.