Home / 381,281,198.46-526,125,950.01-213,979,087.50

Finding the Fourth Proportional to 381,281,198.46, 526,125,950.01 and 213,979,087.50

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Solution

The fourth proportional to 381,281,198.46, 526,125,950.01 and 213,979,087.50 is: 295,267,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,281,198.46 : 526,125,950.01 = 213,979,087.50 : x
  2. Step 2: Convert to fraction form
    381,281,198.46/526,125,950.01 = 213,979,087.50/x
  3. Step 3: Cross multiply
    381,281,198.46x = 526,125,950.01 × 213,979,087.50
  4. Step 4: Simplify right side
    381,281,198.46x = 112,579,950,693,210,416
  5. Step 5: Solve for x
    x = 112,579,950,693,210,416/381,281,198.46
  6. Step 6: Final answer
    x = 295,267,511.61

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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.