Home / 57,448,510.92-86,166,382.86-20,558,907.57

Finding the Fourth Proportional to 57,448,510.92, 86,166,382.86 and 20,558,907.57

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Solution

The fourth proportional to 57,448,510.92, 86,166,382.86 and 20,558,907.57 is: 30,836,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,510.92 : 86,166,382.86 = 20,558,907.57 : x
  2. Step 2: Convert to fraction form
    57,448,510.92/86,166,382.86 = 20,558,907.57/x
  3. Step 3: Cross multiply
    57,448,510.92x = 86,166,382.86 × 20,558,907.57
  4. Step 4: Simplify right side
    57,448,510.92x = 1,771,486,700,859,972.25
  5. Step 5: Solve for x
    x = 1,771,486,700,859,972.25/57,448,510.92
  6. Step 6: Final answer
    x = 30,836,076.91

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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.