Home / 371,954,665.51-513,181,862.35-210,992,140.44

Finding the Fourth Proportional to 371,954,665.51, 513,181,862.35 and 210,992,140.44

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Solution

The fourth proportional to 371,954,665.51, 513,181,862.35 and 210,992,140.44 is: 291,103,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,954,665.51 : 513,181,862.35 = 210,992,140.44 : x
  2. Step 2: Convert to fraction form
    371,954,665.51/513,181,862.35 = 210,992,140.44/x
  3. Step 3: Cross multiply
    371,954,665.51x = 513,181,862.35 × 210,992,140.44
  4. Step 4: Simplify right side
    371,954,665.51x = 108,277,339,571,684,480
  5. Step 5: Solve for x
    x = 108,277,339,571,684,480/371,954,665.51
  6. Step 6: Final answer
    x = 291,103,593.03

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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.