Home / 45,620,928-68,431,479.84-11,077,184.16

Finding the Fourth Proportional to 45,620,928, 68,431,479.84 and 11,077,184.16

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Solution

The fourth proportional to 45,620,928, 68,431,479.84 and 11,077,184.16 is: 16,615,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620,928 : 68,431,479.84 = 11,077,184.16 : x
  2. Step 2: Convert to fraction form
    45,620,928/68,431,479.84 = 11,077,184.16/x
  3. Step 3: Cross multiply
    45,620,928x = 68,431,479.84 × 11,077,184.16
  4. Step 4: Simplify right side
    45,620,928x = 758,028,104,529,007.38
  5. Step 5: Solve for x
    x = 758,028,104,529,007.38/45,620,928
  6. Step 6: Final answer
    x = 16,615,797.57

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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.