Home / 66,029,311.69-91,123,295.96-36,660,648.20

Finding the Fourth Proportional to 66,029,311.69, 91,123,295.96 and 36,660,648.20

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Solution

The fourth proportional to 66,029,311.69, 91,123,295.96 and 36,660,648.20 is: 50,593,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029,311.69 : 91,123,295.96 = 36,660,648.20 : x
  2. Step 2: Convert to fraction form
    66,029,311.69/91,123,295.96 = 36,660,648.20/x
  3. Step 3: Cross multiply
    66,029,311.69x = 91,123,295.96 × 36,660,648.20
  4. Step 4: Simplify right side
    66,029,311.69x = 3,340,639,095,650,076.50
  5. Step 5: Solve for x
    x = 3,340,639,095,650,076.50/66,029,311.69
  6. Step 6: Final answer
    x = 50,593,274.57

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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.