Home / 192,453,732.36-287,990,996.22-166,635,105.48

Finding the Fourth Proportional to 192,453,732.36, 287,990,996.22 and 166,635,105.48

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Solution

The fourth proportional to 192,453,732.36, 287,990,996.22 and 166,635,105.48 is: 249,355,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453,732.36 : 287,990,996.22 = 166,635,105.48 : x
  2. Step 2: Convert to fraction form
    192,453,732.36/287,990,996.22 = 166,635,105.48/x
  3. Step 3: Cross multiply
    192,453,732.36x = 287,990,996.22 × 166,635,105.48
  4. Step 4: Simplify right side
    192,453,732.36x = 47,989,410,032,409,984
  5. Step 5: Solve for x
    x = 47,989,410,032,409,984/192,453,732.36
  6. Step 6: Final answer
    x = 249,355,569.49

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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.