Home / 381,271,130.27-526,125,284.52-213,975,081.18

Finding the Fourth Proportional to 381,271,130.27, 526,125,284.52 and 213,975,081.18

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Solution

The fourth proportional to 381,271,130.27, 526,125,284.52 and 213,975,081.18 is: 295,269,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271,130.27 : 526,125,284.52 = 213,975,081.18 : x
  2. Step 2: Convert to fraction form
    381,271,130.27/526,125,284.52 = 213,975,081.18/x
  3. Step 3: Cross multiply
    381,271,130.27x = 526,125,284.52 × 213,975,081.18
  4. Step 4: Simplify right side
    381,271,130.27x = 112,577,700,466,017,600
  5. Step 5: Solve for x
    x = 112,577,700,466,017,600/381,271,130.27
  6. Step 6: Final answer
    x = 295,269,406.81

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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.