Home / 65,629,935.86-90,571,137.69-36,263,160.74

Finding the Fourth Proportional to 65,629,935.86, 90,571,137.69 and 36,263,160.74

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Solution

The fourth proportional to 65,629,935.86, 90,571,137.69 and 36,263,160.74 is: 50,044,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,629,935.86 : 90,571,137.69 = 36,263,160.74 : x
  2. Step 2: Convert to fraction form
    65,629,935.86/90,571,137.69 = 36,263,160.74/x
  3. Step 3: Cross multiply
    65,629,935.86x = 90,571,137.69 × 36,263,160.74
  4. Step 4: Simplify right side
    65,629,935.86x = 3,284,395,724,457,142.50
  5. Step 5: Solve for x
    x = 3,284,395,724,457,142.50/65,629,935.86
  6. Step 6: Final answer
    x = 50,044,170.87

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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.