Home / 72,576,110.40-108,738,194.40-68,041,147.20

Finding the Fourth Proportional to 72,576,110.40, 108,738,194.40 and 68,041,147.20

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Solution

The fourth proportional to 72,576,110.40, 108,738,194.40 and 68,041,147.20 is: 101,943,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,110.40 : 108,738,194.40 = 68,041,147.20 : x
  2. Step 2: Convert to fraction form
    72,576,110.40/108,738,194.40 = 68,041,147.20/x
  3. Step 3: Cross multiply
    72,576,110.40x = 108,738,194.40 × 68,041,147.20
  4. Step 4: Simplify right side
    72,576,110.40x = 7,398,671,491,432,616
  5. Step 5: Solve for x
    x = 7,398,671,491,432,616/72,576,110.40
  6. Step 6: Final answer
    x = 101,943,620.99

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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.