Home / 307,728,834.60-424,657,971.36-171,940,178.64

Finding the Fourth Proportional to 307,728,834.60, 424,657,971.36 and 171,940,178.64

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Solution

The fourth proportional to 307,728,834.60, 424,657,971.36 and 171,940,178.64 is: 237,273,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,728,834.60 : 424,657,971.36 = 171,940,178.64 : x
  2. Step 2: Convert to fraction form
    307,728,834.60/424,657,971.36 = 171,940,178.64/x
  3. Step 3: Cross multiply
    307,728,834.60x = 424,657,971.36 × 171,940,178.64
  4. Step 4: Simplify right side
    307,728,834.60x = 73,015,767,456,538,400
  5. Step 5: Solve for x
    x = 73,015,767,456,538,400/307,728,834.60
  6. Step 6: Final answer
    x = 237,273,076.97

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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.