Home / 402,571,594.82-603,707,875.20-140,188,765.73

Finding the Fourth Proportional to 402,571,594.82, 603,707,875.20 and 140,188,765.73

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Solution

The fourth proportional to 402,571,594.82, 603,707,875.20 and 140,188,765.73 is: 210,231,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,571,594.82 : 603,707,875.20 = 140,188,765.73 : x
  2. Step 2: Convert to fraction form
    402,571,594.82/603,707,875.20 = 140,188,765.73/x
  3. Step 3: Cross multiply
    402,571,594.82x = 603,707,875.20 × 140,188,765.73
  4. Step 4: Simplify right side
    402,571,594.82x = 84,633,061,885,768,880
  5. Step 5: Solve for x
    x = 84,633,061,885,768,880/402,571,594.82
  6. Step 6: Final answer
    x = 210,231,081.81

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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.