Home / 65,424,321.79-90,285,922.56-37,544,815.15

Finding the Fourth Proportional to 65,424,321.79, 90,285,922.56 and 37,544,815.15

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Solution

The fourth proportional to 65,424,321.79, 90,285,922.56 and 37,544,815.15 is: 51,812,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,424,321.79 : 90,285,922.56 = 37,544,815.15 : x
  2. Step 2: Convert to fraction form
    65,424,321.79/90,285,922.56 = 37,544,815.15/x
  3. Step 3: Cross multiply
    65,424,321.79x = 90,285,922.56 × 37,544,815.15
  4. Step 4: Simplify right side
    65,424,321.79x = 3,389,768,273,162,414.50
  5. Step 5: Solve for x
    x = 3,389,768,273,162,414.50/65,424,321.79
  6. Step 6: Final answer
    x = 51,812,050.63

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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.