Home / 165,752,045.69-228,738,049.89-90,398,555.75

Finding the Fourth Proportional to 165,752,045.69, 228,738,049.89 and 90,398,555.75

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Solution

The fourth proportional to 165,752,045.69, 228,738,049.89 and 90,398,555.75 is: 124,750,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,752,045.69 : 228,738,049.89 = 90,398,555.75 : x
  2. Step 2: Convert to fraction form
    165,752,045.69/228,738,049.89 = 90,398,555.75/x
  3. Step 3: Cross multiply
    165,752,045.69x = 228,738,049.89 × 90,398,555.75
  4. Step 4: Simplify right side
    165,752,045.69x = 20,677,589,354,841,524
  5. Step 5: Solve for x
    x = 20,677,589,354,841,524/165,752,045.69
  6. Step 6: Final answer
    x = 124,750,130.65

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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.