Home / 220,243,758.48-330,294,910.68-72,658,142.64

Finding the Fourth Proportional to 220,243,758.48, 330,294,910.68 and 72,658,142.64

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Solution

The fourth proportional to 220,243,758.48, 330,294,910.68 and 72,658,142.64 is: 108,963,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243,758.48 : 330,294,910.68 = 72,658,142.64 : x
  2. Step 2: Convert to fraction form
    220,243,758.48/330,294,910.68 = 72,658,142.64/x
  3. Step 3: Cross multiply
    220,243,758.48x = 330,294,910.68 × 72,658,142.64
  4. Step 4: Simplify right side
    220,243,758.48x = 23,998,614,733,453,500
  5. Step 5: Solve for x
    x = 23,998,614,733,453,500/220,243,758.48
  6. Step 6: Final answer
    x = 108,963,881.20

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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.