Home / 30,554,396.10-42,164,481.89-16,803,360.23

Finding the Fourth Proportional to 30,554,396.10, 42,164,481.89 and 16,803,360.23

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Solution

The fourth proportional to 30,554,396.10, 42,164,481.89 and 16,803,360.23 is: 23,188,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554,396.10 : 42,164,481.89 = 16,803,360.23 : x
  2. Step 2: Convert to fraction form
    30,554,396.10/42,164,481.89 = 16,803,360.23/x
  3. Step 3: Cross multiply
    30,554,396.10x = 42,164,481.89 × 16,803,360.23
  4. Step 4: Simplify right side
    30,554,396.10x = 708,504,977,940,167.25
  5. Step 5: Solve for x
    x = 708,504,977,940,167.25/30,554,396.10
  6. Step 6: Final answer
    x = 23,188,315.54

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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.