Home / 165,937,079.57-228,998,589.71-90,587,425.23

Finding the Fourth Proportional to 165,937,079.57, 228,998,589.71 and 90,587,425.23

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Solution

The fourth proportional to 165,937,079.57, 228,998,589.71 and 90,587,425.23 is: 125,013,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,937,079.57 : 228,998,589.71 = 90,587,425.23 : x
  2. Step 2: Convert to fraction form
    165,937,079.57/228,998,589.71 = 90,587,425.23/x
  3. Step 3: Cross multiply
    165,937,079.57x = 228,998,589.71 × 90,587,425.23
  4. Step 4: Simplify right side
    165,937,079.57x = 20,744,392,622,677,136
  5. Step 5: Solve for x
    x = 20,744,392,622,677,136/165,937,079.57
  6. Step 6: Final answer
    x = 125,013,605.62

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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.