Home / 77,170,838.20-106,491,845.82-45,810,227.68

Finding the Fourth Proportional to 77,170,838.20, 106,491,845.82 and 45,810,227.68

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Solution

The fourth proportional to 77,170,838.20, 106,491,845.82 and 45,810,227.68 is: 63,215,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170,838.20 : 106,491,845.82 = 45,810,227.68 : x
  2. Step 2: Convert to fraction form
    77,170,838.20/106,491,845.82 = 45,810,227.68/x
  3. Step 3: Cross multiply
    77,170,838.20x = 106,491,845.82 × 45,810,227.68
  4. Step 4: Simplify right side
    77,170,838.20x = 4,878,415,703,077,656
  5. Step 5: Solve for x
    x = 4,878,415,703,077,656/77,170,838.20
  6. Step 6: Final answer
    x = 63,215,792.61

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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.