Home / 165,590,085.11-228,515,828.73-91,253,312.85

Finding the Fourth Proportional to 165,590,085.11, 228,515,828.73 and 91,253,312.85

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Solution

The fourth proportional to 165,590,085.11, 228,515,828.73 and 91,253,312.85 is: 125,930,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,085.11 : 228,515,828.73 = 91,253,312.85 : x
  2. Step 2: Convert to fraction form
    165,590,085.11/228,515,828.73 = 91,253,312.85/x
  3. Step 3: Cross multiply
    165,590,085.11x = 228,515,828.73 × 91,253,312.85
  4. Step 4: Simplify right side
    165,590,085.11x = 20,852,826,409,824,572
  5. Step 5: Solve for x
    x = 20,852,826,409,824,572/165,590,085.11
  6. Step 6: Final answer
    x = 125,930,404.57

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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.