Home / 103,476,406.88-155,188,125.84-30,676,163.60

Finding the Fourth Proportional to 103,476,406.88, 155,188,125.84 and 30,676,163.60

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Solution

The fourth proportional to 103,476,406.88, 155,188,125.84 and 30,676,163.60 is: 46,006,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476,406.88 : 155,188,125.84 = 30,676,163.60 : x
  2. Step 2: Convert to fraction form
    103,476,406.88/155,188,125.84 = 30,676,163.60/x
  3. Step 3: Cross multiply
    103,476,406.88x = 155,188,125.84 × 30,676,163.60
  4. Step 4: Simplify right side
    103,476,406.88x = 4,760,576,337,045,228
  5. Step 5: Solve for x
    x = 4,760,576,337,045,228/103,476,406.88
  6. Step 6: Final answer
    x = 46,006,393.93

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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.