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Finding the Fourth Proportional to 189,297,683.22, 283,946,525.22 and 45,690,515.22

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Solution

The fourth proportional to 189,297,683.22, 283,946,525.22 and 45,690,515.22 is: 68,535,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,297,683.22 : 283,946,525.22 = 45,690,515.22 : x
  2. Step 2: Convert to fraction form
    189,297,683.22/283,946,525.22 = 45,690,515.22/x
  3. Step 3: Cross multiply
    189,297,683.22x = 283,946,525.22 × 45,690,515.22
  4. Step 4: Simplify right side
    189,297,683.22x = 12,973,663,032,230,524
  5. Step 5: Solve for x
    x = 12,973,663,032,230,524/189,297,683.22
  6. Step 6: Final answer
    x = 68,535,772.92

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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.