Home / 140,858,999.70-211,288,499.55-38,633,370.90

Finding the Fourth Proportional to 140,858,999.70, 211,288,499.55 and 38,633,370.90

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Solution

The fourth proportional to 140,858,999.70, 211,288,499.55 and 38,633,370.90 is: 57,950,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,858,999.70 : 211,288,499.55 = 38,633,370.90 : x
  2. Step 2: Convert to fraction form
    140,858,999.70/211,288,499.55 = 38,633,370.90/x
  3. Step 3: Cross multiply
    140,858,999.70x = 211,288,499.55 × 38,633,370.90
  4. Step 4: Simplify right side
    140,858,999.70x = 8,162,786,970,019,633
  5. Step 5: Solve for x
    x = 8,162,786,970,019,633/140,858,999.70
  6. Step 6: Final answer
    x = 57,950,056.35

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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.