Home / 216,646,287.62-298,971,876.92-123,828,788.39

Finding the Fourth Proportional to 216,646,287.62, 298,971,876.92 and 123,828,788.39

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Solution

The fourth proportional to 216,646,287.62, 298,971,876.92 and 123,828,788.39 is: 170,883,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,287.62 : 298,971,876.92 = 123,828,788.39 : x
  2. Step 2: Convert to fraction form
    216,646,287.62/298,971,876.92 = 123,828,788.39/x
  3. Step 3: Cross multiply
    216,646,287.62x = 298,971,876.92 × 123,828,788.39
  4. Step 4: Simplify right side
    216,646,287.62x = 37,021,325,279,573,808
  5. Step 5: Solve for x
    x = 37,021,325,279,573,808/216,646,287.62
  6. Step 6: Final answer
    x = 170,883,727.97

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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.