Home / 168,502,497.40-252,753,746.10-82,296,206.20

Finding the Fourth Proportional to 168,502,497.40, 252,753,746.10 and 82,296,206.20

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Solution

The fourth proportional to 168,502,497.40, 252,753,746.10 and 82,296,206.20 is: 123,444,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,497.40 : 252,753,746.10 = 82,296,206.20 : x
  2. Step 2: Convert to fraction form
    168,502,497.40/252,753,746.10 = 82,296,206.20/x
  3. Step 3: Cross multiply
    168,502,497.40x = 252,753,746.10 × 82,296,206.20
  4. Step 4: Simplify right side
    168,502,497.40x = 20,800,674,406,868,048
  5. Step 5: Solve for x
    x = 20,800,674,406,868,048/168,502,497.40
  6. Step 6: Final answer
    x = 123,444,309.30

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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.