Home / 381,271,132.51-526,125,287.63-213,975,083.43

Finding the Fourth Proportional to 381,271,132.51, 526,125,287.63 and 213,975,083.43

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Solution

The fourth proportional to 381,271,132.51, 526,125,287.63 and 213,975,083.43 is: 295,269,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271,132.51 : 526,125,287.63 = 213,975,083.43 : x
  2. Step 2: Convert to fraction form
    381,271,132.51/526,125,287.63 = 213,975,083.43/x
  3. Step 3: Cross multiply
    381,271,132.51x = 526,125,287.63 × 213,975,083.43
  4. Step 4: Simplify right side
    381,271,132.51x = 112,577,702,315,796,944
  5. Step 5: Solve for x
    x = 112,577,702,315,796,944/381,271,132.51
  6. Step 6: Final answer
    x = 295,269,409.92

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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.