Home / 100,016,941.48-150,048,037.50-31,863,515.56

Finding the Fourth Proportional to 100,016,941.48, 150,048,037.50 and 31,863,515.56

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Solution

The fourth proportional to 100,016,941.48, 150,048,037.50 and 31,863,515.56 is: 47,802,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,016,941.48 : 150,048,037.50 = 31,863,515.56 : x
  2. Step 2: Convert to fraction form
    100,016,941.48/150,048,037.50 = 31,863,515.56/x
  3. Step 3: Cross multiply
    100,016,941.48x = 150,048,037.50 × 31,863,515.56
  4. Step 4: Simplify right side
    100,016,941.48x = 4,781,057,977,628,713
  5. Step 5: Solve for x
    x = 4,781,057,977,628,713/100,016,941.48
  6. Step 6: Final answer
    x = 47,802,481.33

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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.