Home / 200,481,611.71-300,548,536.70-77,575,334.69

Finding the Fourth Proportional to 200,481,611.71, 300,548,536.70 and 77,575,334.69

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Solution

The fourth proportional to 200,481,611.71, 300,548,536.70 and 77,575,334.69 is: 116,295,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481,611.71 : 300,548,536.70 = 77,575,334.69 : x
  2. Step 2: Convert to fraction form
    200,481,611.71/300,548,536.70 = 77,575,334.69/x
  3. Step 3: Cross multiply
    200,481,611.71x = 300,548,536.70 × 77,575,334.69
  4. Step 4: Simplify right side
    200,481,611.71x = 23,315,153,323,766,056
  5. Step 5: Solve for x
    x = 23,315,153,323,766,056/200,481,611.71
  6. Step 6: Final answer
    x = 116,295,719.72

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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.