Home / 50,689,093.60-75,812,456.40-45,336,440.80

Finding the Fourth Proportional to 50,689,093.60, 75,812,456.40 and 45,336,440.80

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Solution

The fourth proportional to 50,689,093.60, 75,812,456.40 and 45,336,440.80 is: 67,806,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,689,093.60 : 75,812,456.40 = 45,336,440.80 : x
  2. Step 2: Convert to fraction form
    50,689,093.60/75,812,456.40 = 45,336,440.80/x
  3. Step 3: Cross multiply
    50,689,093.60x = 75,812,456.40 × 45,336,440.80
  4. Step 4: Simplify right side
    50,689,093.60x = 3,437,066,941,481,181
  5. Step 5: Solve for x
    x = 3,437,066,941,481,181/50,689,093.60
  6. Step 6: Final answer
    x = 67,806,833.73

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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.