Home / 165,333,221.76-228,155,646.78-89,976,346.38

Finding the Fourth Proportional to 165,333,221.76, 228,155,646.78 and 89,976,346.38

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Solution

The fourth proportional to 165,333,221.76, 228,155,646.78 and 89,976,346.38 is: 124,165,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,333,221.76 : 228,155,646.78 = 89,976,346.38 : x
  2. Step 2: Convert to fraction form
    165,333,221.76/228,155,646.78 = 89,976,346.38/x
  3. Step 3: Cross multiply
    165,333,221.76x = 228,155,646.78 × 89,976,346.38
  4. Step 4: Simplify right side
    165,333,221.76x = 20,528,611,503,230,212
  5. Step 5: Solve for x
    x = 20,528,611,503,230,212/165,333,221.76
  6. Step 6: Final answer
    x = 124,165,072.72

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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.