Home / 51,204,374.04-76,806,638.88-20,912,237.04

Finding the Fourth Proportional to 51,204,374.04, 76,806,638.88 and 20,912,237.04

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Solution

The fourth proportional to 51,204,374.04, 76,806,638.88 and 20,912,237.04 is: 31,368,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,374.04 : 76,806,638.88 = 20,912,237.04 : x
  2. Step 2: Convert to fraction form
    51,204,374.04/76,806,638.88 = 20,912,237.04/x
  3. Step 3: Cross multiply
    51,204,374.04x = 76,806,638.88 × 20,912,237.04
  4. Step 4: Simplify right side
    51,204,374.04x = 1,606,198,638,504,240
  5. Step 5: Solve for x
    x = 1,606,198,638,504,240/51,204,374.04
  6. Step 6: Final answer
    x = 31,368,387.34

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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.