Home / 165,931,886.89-228,985,969.38-91,592,427.61

Finding the Fourth Proportional to 165,931,886.89, 228,985,969.38 and 91,592,427.61

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Solution

The fourth proportional to 165,931,886.89, 228,985,969.38 and 91,592,427.61 is: 126,397,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931,886.89 : 228,985,969.38 = 91,592,427.61 : x
  2. Step 2: Convert to fraction form
    165,931,886.89/228,985,969.38 = 91,592,427.61/x
  3. Step 3: Cross multiply
    165,931,886.89x = 228,985,969.38 × 91,592,427.61
  4. Step 4: Simplify right side
    165,931,886.89x = 20,973,380,824,143,328
  5. Step 5: Solve for x
    x = 20,973,380,824,143,328/165,931,886.89
  6. Step 6: Final answer
    x = 126,397,531.04

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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.