Home / 75,140,610.35-112,632,257.28-31,446,404.73

Finding the Fourth Proportional to 75,140,610.35, 112,632,257.28 and 31,446,404.73

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Solution

The fourth proportional to 75,140,610.35, 112,632,257.28 and 31,446,404.73 is: 47,136,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140,610.35 : 112,632,257.28 = 31,446,404.73 : x
  2. Step 2: Convert to fraction form
    75,140,610.35/112,632,257.28 = 31,446,404.73/x
  3. Step 3: Cross multiply
    75,140,610.35x = 112,632,257.28 × 31,446,404.73
  4. Step 4: Simplify right side
    75,140,610.35x = 3,541,879,548,080,369
  5. Step 5: Solve for x
    x = 3,541,879,548,080,369/75,140,610.35
  6. Step 6: Final answer
    x = 47,136,688.56

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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.