Home / 248,400,382.49-342,784,487.54-142,571,217.39

Finding the Fourth Proportional to 248,400,382.49, 342,784,487.54 and 142,571,217.39

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Solution

The fourth proportional to 248,400,382.49, 342,784,487.54 and 142,571,217.39 is: 196,743,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,400,382.49 : 342,784,487.54 = 142,571,217.39 : x
  2. Step 2: Convert to fraction form
    248,400,382.49/342,784,487.54 = 142,571,217.39/x
  3. Step 3: Cross multiply
    248,400,382.49x = 342,784,487.54 × 142,571,217.39
  4. Step 4: Simplify right side
    248,400,382.49x = 48,871,201,690,272,232
  5. Step 5: Solve for x
    x = 48,871,201,690,272,232/248,400,382.49
  6. Step 6: Final answer
    x = 196,743,665.21

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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.