Home / 381,548,095.72-526,650,554.21-222,821,034.50

Finding the Fourth Proportional to 381,548,095.72, 526,650,554.21 and 222,821,034.50

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Solution

The fourth proportional to 381,548,095.72, 526,650,554.21 and 222,821,034.50 is: 307,559,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548,095.72 : 526,650,554.21 = 222,821,034.50 : x
  2. Step 2: Convert to fraction form
    381,548,095.72/526,650,554.21 = 222,821,034.50/x
  3. Step 3: Cross multiply
    381,548,095.72x = 526,650,554.21 × 222,821,034.50
  4. Step 4: Simplify right side
    381,548,095.72x = 117,348,821,309,273,040
  5. Step 5: Solve for x
    x = 117,348,821,309,273,040/381,548,095.72
  6. Step 6: Final answer
    x = 307,559,709.05

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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.