Home / 110,543,542.90-152,522,664.26-72,862,530.82

Finding the Fourth Proportional to 110,543,542.90, 152,522,664.26 and 72,862,530.82

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Solution

The fourth proportional to 110,543,542.90, 152,522,664.26 and 72,862,530.82 is: 100,532,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543,542.90 : 152,522,664.26 = 72,862,530.82 : x
  2. Step 2: Convert to fraction form
    110,543,542.90/152,522,664.26 = 72,862,530.82/x
  3. Step 3: Cross multiply
    110,543,542.90x = 152,522,664.26 × 72,862,530.82
  4. Step 4: Simplify right side
    110,543,542.90x = 11,113,187,324,647,142
  5. Step 5: Solve for x
    x = 11,113,187,324,647,142/110,543,542.90
  6. Step 6: Final answer
    x = 100,532,215.93

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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.