Home / 258,361,878.68-356,548,001.55-140,893,635.86

Finding the Fourth Proportional to 258,361,878.68, 356,548,001.55 and 140,893,635.86

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Solution

The fourth proportional to 258,361,878.68, 356,548,001.55 and 140,893,635.86 is: 194,437,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,361,878.68 : 356,548,001.55 = 140,893,635.86 : x
  2. Step 2: Convert to fraction form
    258,361,878.68/356,548,001.55 = 140,893,635.86/x
  3. Step 3: Cross multiply
    258,361,878.68x = 356,548,001.55 × 140,893,635.86
  4. Step 4: Simplify right side
    258,361,878.68x = 50,235,344,296,996,424
  5. Step 5: Solve for x
    x = 50,235,344,296,996,424/258,361,878.68
  6. Step 6: Final answer
    x = 194,437,912.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.