Home / 168,502,335.40-252,753,503.10-82,296,044.20

Finding the Fourth Proportional to 168,502,335.40, 252,753,503.10 and 82,296,044.20

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Solution

The fourth proportional to 168,502,335.40, 252,753,503.10 and 82,296,044.20 is: 123,444,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,335.40 : 252,753,503.10 = 82,296,044.20 : x
  2. Step 2: Convert to fraction form
    168,502,335.40/252,753,503.10 = 82,296,044.20/x
  3. Step 3: Cross multiply
    168,502,335.40x = 252,753,503.10 × 82,296,044.20
  4. Step 4: Simplify right side
    168,502,335.40x = 20,800,613,462,822,436
  5. Step 5: Solve for x
    x = 20,800,613,462,822,436/168,502,335.40
  6. Step 6: Final answer
    x = 123,444,066.30

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1.5x scale

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.