Home / 132,916,401.20-199,280,123.40-51,003,628.40

Finding the Fourth Proportional to 132,916,401.20, 199,280,123.40 and 51,003,628.40

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Solution

The fourth proportional to 132,916,401.20, 199,280,123.40 and 51,003,628.40 is: 76,469,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916,401.20 : 199,280,123.40 = 51,003,628.40 : x
  2. Step 2: Convert to fraction form
    132,916,401.20/199,280,123.40 = 51,003,628.40/x
  3. Step 3: Cross multiply
    132,916,401.20x = 199,280,123.40 × 51,003,628.40
  4. Step 4: Simplify right side
    132,916,401.20x = 10,164,009,361,399,744
  5. Step 5: Solve for x
    x = 10,164,009,361,399,744/132,916,401.20
  6. Step 6: Final answer
    x = 76,469,188.68

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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.