Home / 165,503,113.55-228,385,855.32-91,162,073.72

Finding the Fourth Proportional to 165,503,113.55, 228,385,855.32 and 91,162,073.72

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Solution

The fourth proportional to 165,503,113.55, 228,385,855.32 and 91,162,073.72 is: 125,799,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,503,113.55 : 228,385,855.32 = 91,162,073.72 : x
  2. Step 2: Convert to fraction form
    165,503,113.55/228,385,855.32 = 91,162,073.72/x
  3. Step 3: Cross multiply
    165,503,113.55x = 228,385,855.32 × 91,162,073.72
  4. Step 4: Simplify right side
    165,503,113.55x = 20,820,128,179,287,092
  5. Step 5: Solve for x
    x = 20,820,128,179,287,092/165,503,113.55
  6. Step 6: Final answer
    x = 125,799,012.07

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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.