Home / 255,912,727.90-353,158,500.77-138,437,768.56

Finding the Fourth Proportional to 255,912,727.90, 353,158,500.77 and 138,437,768.56

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Solution

The fourth proportional to 255,912,727.90, 353,158,500.77 and 138,437,768.56 is: 191,043,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,912,727.90 : 353,158,500.77 = 138,437,768.56 : x
  2. Step 2: Convert to fraction form
    255,912,727.90/353,158,500.77 = 138,437,768.56/x
  3. Step 3: Cross multiply
    255,912,727.90x = 353,158,500.77 × 138,437,768.56
  4. Step 4: Simplify right side
    255,912,727.90x = 48,890,474,793,901,648
  5. Step 5: Solve for x
    x = 48,890,474,793,901,648/255,912,727.90
  6. Step 6: Final answer
    x = 191,043,545.18

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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.