Home / 255,912,723.50-353,158,495.17-138,437,764.43

Finding the Fourth Proportional to 255,912,723.50, 353,158,495.17 and 138,437,764.43

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Solution

The fourth proportional to 255,912,723.50, 353,158,495.17 and 138,437,764.43 is: 191,043,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,912,723.50 : 353,158,495.17 = 138,437,764.43 : x
  2. Step 2: Convert to fraction form
    255,912,723.50/353,158,495.17 = 138,437,764.43/x
  3. Step 3: Cross multiply
    255,912,723.50x = 353,158,495.17 × 138,437,764.43
  4. Step 4: Simplify right side
    255,912,723.50x = 48,890,472,560,797,760
  5. Step 5: Solve for x
    x = 48,890,472,560,797,760/255,912,723.50
  6. Step 6: Final answer
    x = 191,043,539.74

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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.