Home / 87,148,469.07-130,600,356.89-68,872,320.27

Finding the Fourth Proportional to 87,148,469.07, 130,600,356.89 and 68,872,320.27

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Solution

The fourth proportional to 87,148,469.07, 130,600,356.89 and 68,872,320.27 is: 103,211,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148,469.07 : 130,600,356.89 = 68,872,320.27 : x
  2. Step 2: Convert to fraction form
    87,148,469.07/130,600,356.89 = 68,872,320.27/x
  3. Step 3: Cross multiply
    87,148,469.07x = 130,600,356.89 × 68,872,320.27
  4. Step 4: Simplify right side
    87,148,469.07x = 8,994,749,606,760,019
  5. Step 5: Solve for x
    x = 8,994,749,606,760,019/87,148,469.07
  6. Step 6: Final answer
    x = 103,211,791.36

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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.