Home / 193,893,801-290,589,410.34-78,744,576.84

Finding the Fourth Proportional to 193,893,801, 290,589,410.34 and 78,744,576.84

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Solution

The fourth proportional to 193,893,801, 290,589,410.34 and 78,744,576.84 is: 118,014,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,893,801 : 290,589,410.34 = 78,744,576.84 : x
  2. Step 2: Convert to fraction form
    193,893,801/290,589,410.34 = 78,744,576.84/x
  3. Step 3: Cross multiply
    193,893,801x = 290,589,410.34 × 78,744,576.84
  4. Step 4: Simplify right side
    193,893,801x = 22,882,340,151,408,420
  5. Step 5: Solve for x
    x = 22,882,340,151,408,420/193,893,801
  6. Step 6: Final answer
    x = 118,014,810.34

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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.