Home / 165,590,115.28-228,515,870.48-91,253,343.08

Finding the Fourth Proportional to 165,590,115.28, 228,515,870.48 and 91,253,343.08

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Solution

The fourth proportional to 165,590,115.28, 228,515,870.48 and 91,253,343.08 is: 125,930,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,115.28 : 228,515,870.48 = 91,253,343.08 : x
  2. Step 2: Convert to fraction form
    165,590,115.28/228,515,870.48 = 91,253,343.08/x
  3. Step 3: Cross multiply
    165,590,115.28x = 228,515,870.48 × 91,253,343.08
  4. Step 4: Simplify right side
    165,590,115.28x = 20,852,837,128,136,284
  5. Step 5: Solve for x
    x = 20,852,837,128,136,284/165,590,115.28
  6. Step 6: Final answer
    x = 125,930,446.35

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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.