Home / 66,409,200.84-91,645,015.44-36,639,847.38

Finding the Fourth Proportional to 66,409,200.84, 91,645,015.44 and 36,639,847.38

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Solution

The fourth proportional to 66,409,200.84, 91,645,015.44 and 36,639,847.38 is: 50,563,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409,200.84 : 91,645,015.44 = 36,639,847.38 : x
  2. Step 2: Convert to fraction form
    66,409,200.84/91,645,015.44 = 36,639,847.38/x
  3. Step 3: Cross multiply
    66,409,200.84x = 91,645,015.44 × 36,639,847.38
  4. Step 4: Simplify right side
    66,409,200.84x = 3,357,859,378,859,343.50
  5. Step 5: Solve for x
    x = 3,357,859,378,859,343.50/66,409,200.84
  6. Step 6: Final answer
    x = 50,563,164.99

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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.