Home / 159,936,689.30-239,993,558.24-78,056,245.83

Finding the Fourth Proportional to 159,936,689.30, 239,993,558.24 and 78,056,245.83

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Solution

The fourth proportional to 159,936,689.30, 239,993,558.24 and 78,056,245.83 is: 117,127,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,689.30 : 239,993,558.24 = 78,056,245.83 : x
  2. Step 2: Convert to fraction form
    159,936,689.30/239,993,558.24 = 78,056,245.83/x
  3. Step 3: Cross multiply
    159,936,689.30x = 239,993,558.24 × 78,056,245.83
  4. Step 4: Simplify right side
    159,936,689.30x = 18,732,996,179,207,580
  5. Step 5: Solve for x
    x = 18,732,996,179,207,580/159,936,689.30
  6. Step 6: Final answer
    x = 117,127,572.55

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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.