Home / 87,214,163.02-120,360,906.27-48,055,929.52

Finding the Fourth Proportional to 87,214,163.02, 120,360,906.27 and 48,055,929.52

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Solution

The fourth proportional to 87,214,163.02, 120,360,906.27 and 48,055,929.52 is: 66,320,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,214,163.02 : 120,360,906.27 = 48,055,929.52 : x
  2. Step 2: Convert to fraction form
    87,214,163.02/120,360,906.27 = 48,055,929.52/x
  3. Step 3: Cross multiply
    87,214,163.02x = 120,360,906.27 × 48,055,929.52
  4. Step 4: Simplify right side
    87,214,163.02x = 5,784,055,228,674,446
  5. Step 5: Solve for x
    x = 5,784,055,228,674,446/87,214,163.02
  6. Step 6: Final answer
    x = 66,320,136.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.