Home / 253,722,704.70-380,265,192.45-124,051,100.70

Finding the Fourth Proportional to 253,722,704.70, 380,265,192.45 and 124,051,100.70

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Solution

The fourth proportional to 253,722,704.70, 380,265,192.45 and 124,051,100.70 is: 185,920,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,722,704.70 : 380,265,192.45 = 124,051,100.70 : x
  2. Step 2: Convert to fraction form
    253,722,704.70/380,265,192.45 = 124,051,100.70/x
  3. Step 3: Cross multiply
    253,722,704.70x = 380,265,192.45 × 124,051,100.70
  4. Step 4: Simplify right side
    253,722,704.70x = 47,172,315,681,319,832
  5. Step 5: Solve for x
    x = 47,172,315,681,319,832/253,722,704.70
  6. Step 6: Final answer
    x = 185,920,750.52

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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.