Home / 165,851,569.40-228,873,603.66-91,512,802.04

Finding the Fourth Proportional to 165,851,569.40, 228,873,603.66 and 91,512,802.04

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Solution

The fourth proportional to 165,851,569.40, 228,873,603.66 and 91,512,802.04 is: 126,286,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,851,569.40 : 228,873,603.66 = 91,512,802.04 : x
  2. Step 2: Convert to fraction form
    165,851,569.40/228,873,603.66 = 91,512,802.04/x
  3. Step 3: Cross multiply
    165,851,569.40x = 228,873,603.66 × 91,512,802.04
  4. Step 4: Simplify right side
    165,851,569.40x = 20,944,864,783,919,000
  5. Step 5: Solve for x
    x = 20,944,864,783,919,000/165,851,569.40
  6. Step 6: Final answer
    x = 126,286,804.88

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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.