Home / 163,703,439.10-225,916,092.89-89,367,963.36

Finding the Fourth Proportional to 163,703,439.10, 225,916,092.89 and 89,367,963.36

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Solution

The fourth proportional to 163,703,439.10, 225,916,092.89 and 89,367,963.36 is: 123,330,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,703,439.10 : 225,916,092.89 = 89,367,963.36 : x
  2. Step 2: Convert to fraction form
    163,703,439.10/225,916,092.89 = 89,367,963.36/x
  3. Step 3: Cross multiply
    163,703,439.10x = 225,916,092.89 × 89,367,963.36
  4. Step 4: Simplify right side
    163,703,439.10x = 20,189,661,111,827,876
  5. Step 5: Solve for x
    x = 20,189,661,111,827,876/163,703,439.10
  6. Step 6: Final answer
    x = 123,330,708.40

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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.