Home / 163,413,685.49-225,504,100.32-89,072,610.08

Finding the Fourth Proportional to 163,413,685.49, 225,504,100.32 and 89,072,610.08

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Solution

The fourth proportional to 163,413,685.49, 225,504,100.32 and 89,072,610.08 is: 122,916,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,413,685.49 : 225,504,100.32 = 89,072,610.08 : x
  2. Step 2: Convert to fraction form
    163,413,685.49/225,504,100.32 = 89,072,610.08/x
  3. Step 3: Cross multiply
    163,413,685.49x = 225,504,100.32 × 89,072,610.08
  4. Step 4: Simplify right side
    163,413,685.49x = 20,086,238,799,244,564
  5. Step 5: Solve for x
    x = 20,086,238,799,244,564/163,413,685.49
  6. Step 6: Final answer
    x = 122,916,503.22

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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.