Home / 216,646,293.62-298,971,885.20-123,828,794.39

Finding the Fourth Proportional to 216,646,293.62, 298,971,885.20 and 123,828,794.39

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Solution

The fourth proportional to 216,646,293.62, 298,971,885.20 and 123,828,794.39 is: 170,883,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,293.62 : 298,971,885.20 = 123,828,794.39 : x
  2. Step 2: Convert to fraction form
    216,646,293.62/298,971,885.20 = 123,828,794.39/x
  3. Step 3: Cross multiply
    216,646,293.62x = 298,971,885.20 × 123,828,794.39
  4. Step 4: Simplify right side
    216,646,293.62x = 37,021,328,100,821,480
  5. Step 5: Solve for x
    x = 37,021,328,100,821,480/216,646,293.62
  6. Step 6: Final answer
    x = 170,883,736.26

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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.