Home / 131,430,633.75-197,104,023.36-45,148,234.95

Finding the Fourth Proportional to 131,430,633.75, 197,104,023.36 and 45,148,234.95

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Solution

The fourth proportional to 131,430,633.75, 197,104,023.36 and 45,148,234.95 is: 67,707,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430,633.75 : 197,104,023.36 = 45,148,234.95 : x
  2. Step 2: Convert to fraction form
    131,430,633.75/197,104,023.36 = 45,148,234.95/x
  3. Step 3: Cross multiply
    131,430,633.75x = 197,104,023.36 × 45,148,234.95
  4. Step 4: Simplify right side
    131,430,633.75x = 8,898,898,756,247,570
  5. Step 5: Solve for x
    x = 8,898,898,756,247,570/131,430,633.75
  6. Step 6: Final answer
    x = 67,707,949.83

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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.