Home / 34,145,320.40-51,255,305.40-21,380,238.80

Finding the Fourth Proportional to 34,145,320.40, 51,255,305.40 and 21,380,238.80

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Solution

The fourth proportional to 34,145,320.40, 51,255,305.40 and 21,380,238.80 is: 32,093,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145,320.40 : 51,255,305.40 = 21,380,238.80 : x
  2. Step 2: Convert to fraction form
    34,145,320.40/51,255,305.40 = 21,380,238.80/x
  3. Step 3: Cross multiply
    34,145,320.40x = 51,255,305.40 × 21,380,238.80
  4. Step 4: Simplify right side
    34,145,320.40x = 1,095,850,669,218,929.50
  5. Step 5: Solve for x
    x = 1,095,850,669,218,929.50/34,145,320.40
  6. Step 6: Final answer
    x = 32,093,729.28

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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.