Home / 165,997,149.20-248,995,723.80-108,666,256.40

Finding the Fourth Proportional to 165,997,149.20, 248,995,723.80 and 108,666,256.40

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Solution

The fourth proportional to 165,997,149.20, 248,995,723.80 and 108,666,256.40 is: 162,999,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,997,149.20 : 248,995,723.80 = 108,666,256.40 : x
  2. Step 2: Convert to fraction form
    165,997,149.20/248,995,723.80 = 108,666,256.40/x
  3. Step 3: Cross multiply
    165,997,149.20x = 248,995,723.80 × 108,666,256.40
  4. Step 4: Simplify right side
    165,997,149.20x = 27,057,433,164,954,384
  5. Step 5: Solve for x
    x = 27,057,433,164,954,384/165,997,149.20
  6. Step 6: Final answer
    x = 162,999,384.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.