Home / 253,722,704.20-380,265,191.70-124,051,100.20

Finding the Fourth Proportional to 253,722,704.20, 380,265,191.70 and 124,051,100.20

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Solution

The fourth proportional to 253,722,704.20, 380,265,191.70 and 124,051,100.20 is: 185,920,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,722,704.20 : 380,265,191.70 = 124,051,100.20 : x
  2. Step 2: Convert to fraction form
    253,722,704.20/380,265,191.70 = 124,051,100.20/x
  3. Step 3: Cross multiply
    253,722,704.20x = 380,265,191.70 × 124,051,100.20
  4. Step 4: Simplify right side
    253,722,704.20x = 47,172,315,398,148,904
  5. Step 5: Solve for x
    x = 47,172,315,398,148,904/253,722,704.20
  6. Step 6: Final answer
    x = 185,920,749.77

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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.