Home / 252,476,693.40-378,077,310.90-165,745,522.20

Finding the Fourth Proportional to 252,476,693.40, 378,077,310.90 and 165,745,522.20

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Solution

The fourth proportional to 252,476,693.40, 378,077,310.90 and 165,745,522.20 is: 248,199,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,476,693.40 : 378,077,310.90 = 165,745,522.20 : x
  2. Step 2: Convert to fraction form
    252,476,693.40/378,077,310.90 = 165,745,522.20/x
  3. Step 3: Cross multiply
    252,476,693.40x = 378,077,310.90 × 165,745,522.20
  4. Step 4: Simplify right side
    252,476,693.40x = 62,664,621,327,092,240
  5. Step 5: Solve for x
    x = 62,664,621,327,092,240/252,476,693.40
  6. Step 6: Final answer
    x = 248,199,627.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.