Home / 381,271,135.52-526,125,291.77-213,975,086.43

Finding the Fourth Proportional to 381,271,135.52, 526,125,291.77 and 213,975,086.43

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Solution

The fourth proportional to 381,271,135.52, 526,125,291.77 and 213,975,086.43 is: 295,269,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271,135.52 : 526,125,291.77 = 213,975,086.43 : x
  2. Step 2: Convert to fraction form
    381,271,135.52/526,125,291.77 = 213,975,086.43/x
  3. Step 3: Cross multiply
    381,271,135.52x = 526,125,291.77 × 213,975,086.43
  4. Step 4: Simplify right side
    381,271,135.52x = 112,577,704,778,424,848
  5. Step 5: Solve for x
    x = 112,577,704,778,424,848/381,271,135.52
  6. Step 6: Final answer
    x = 295,269,414.05

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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.