Home / 165,992,003.09-229,070,071.67-90,638,854.15

Finding the Fourth Proportional to 165,992,003.09, 229,070,071.67 and 90,638,854.15

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Solution

The fourth proportional to 165,992,003.09, 229,070,071.67 and 90,638,854.15 is: 125,082,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,992,003.09 : 229,070,071.67 = 90,638,854.15 : x
  2. Step 2: Convert to fraction form
    165,992,003.09/229,070,071.67 = 90,638,854.15/x
  3. Step 3: Cross multiply
    165,992,003.09x = 229,070,071.67 × 90,638,854.15
  4. Step 4: Simplify right side
    165,992,003.09x = 20,762,648,815,427,904
  5. Step 5: Solve for x
    x = 20,762,648,815,427,904/165,992,003.09
  6. Step 6: Final answer
    x = 125,082,223.42

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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.