Home / 91,296,591.60-125,990,818.76-49,481,992.40

Finding the Fourth Proportional to 91,296,591.60, 125,990,818.76 and 49,481,992.40

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Solution

The fourth proportional to 91,296,591.60, 125,990,818.76 and 49,481,992.40 is: 68,285,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296,591.60 : 125,990,818.76 = 49,481,992.40 : x
  2. Step 2: Convert to fraction form
    91,296,591.60/125,990,818.76 = 49,481,992.40/x
  3. Step 3: Cross multiply
    91,296,591.60x = 125,990,818.76 × 49,481,992.40
  4. Step 4: Simplify right side
    91,296,591.60x = 6,234,276,736,352,098
  5. Step 5: Solve for x
    x = 6,234,276,736,352,098/91,296,591.60
  6. Step 6: Final answer
    x = 68,285,974.61

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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.