Home / 342,087,949.47-472,116,556.04-208,135,375.41

Finding the Fourth Proportional to 342,087,949.47, 472,116,556.04 and 208,135,375.41

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Solution

The fourth proportional to 342,087,949.47, 472,116,556.04 and 208,135,375.41 is: 287,248,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,087,949.47 : 472,116,556.04 = 208,135,375.41 : x
  2. Step 2: Convert to fraction form
    342,087,949.47/472,116,556.04 = 208,135,375.41/x
  3. Step 3: Cross multiply
    342,087,949.47x = 472,116,556.04 × 208,135,375.41
  4. Step 4: Simplify right side
    342,087,949.47x = 98,264,156,628,661,712
  5. Step 5: Solve for x
    x = 98,264,156,628,661,712/342,087,949.47
  6. Step 6: Final answer
    x = 287,248,226.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.