Home / 255,887,713.37-383,831,557.76-71,682,463.38

Finding the Fourth Proportional to 255,887,713.37, 383,831,557.76 and 71,682,463.38

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Solution

The fourth proportional to 255,887,713.37, 383,831,557.76 and 71,682,463.38 is: 107,523,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,887,713.37 : 383,831,557.76 = 71,682,463.38 : x
  2. Step 2: Convert to fraction form
    255,887,713.37/383,831,557.76 = 71,682,463.38/x
  3. Step 3: Cross multiply
    255,887,713.37x = 383,831,557.76 × 71,682,463.38
  4. Step 4: Simplify right side
    255,887,713.37x = 27,513,991,584,434,556
  5. Step 5: Solve for x
    x = 27,513,991,584,434,556/255,887,713.37
  6. Step 6: Final answer
    x = 107,523,691.63

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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.