Home / 163,644,689.39-225,829,611.71-89,305,250.11

Finding the Fourth Proportional to 163,644,689.39, 225,829,611.71 and 89,305,250.11

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Solution

The fourth proportional to 163,644,689.39, 225,829,611.71 and 89,305,250.11 is: 123,241,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,644,689.39 : 225,829,611.71 = 89,305,250.11 : x
  2. Step 2: Convert to fraction form
    163,644,689.39/225,829,611.71 = 89,305,250.11/x
  3. Step 3: Cross multiply
    163,644,689.39x = 225,829,611.71 × 89,305,250.11
  4. Step 4: Simplify right side
    163,644,689.39x = 20,167,769,956,177,284
  5. Step 5: Solve for x
    x = 20,167,769,956,177,284/163,644,689.39
  6. Step 6: Final answer
    x = 123,241,212.60

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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.