Home / 142,722,007.90-199,380,343.82-142,722,007.90

Finding the Fourth Proportional to 142,722,007.90, 199,380,343.82 and 142,722,007.90

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Solution

The fourth proportional to 142,722,007.90, 199,380,343.82 and 142,722,007.90 is: 199,380,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,722,007.90 : 199,380,343.82 = 142,722,007.90 : x
  2. Step 2: Convert to fraction form
    142,722,007.90/199,380,343.82 = 142,722,007.90/x
  3. Step 3: Cross multiply
    142,722,007.90x = 199,380,343.82 × 142,722,007.90
  4. Step 4: Simplify right side
    142,722,007.90x = 28,455,963,005,782,756
  5. Step 5: Solve for x
    x = 28,455,963,005,782,756/142,722,007.90
  6. Step 6: Final answer
    x = 199,380,343.82

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.