Home / 131,806,161.54-197,720,001.42-66,193,555.35

Finding the Fourth Proportional to 131,806,161.54, 197,720,001.42 and 66,193,555.35

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Solution

The fourth proportional to 131,806,161.54, 197,720,001.42 and 66,193,555.35 is: 99,295,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806,161.54 : 197,720,001.42 = 66,193,555.35 : x
  2. Step 2: Convert to fraction form
    131,806,161.54/197,720,001.42 = 66,193,555.35/x
  3. Step 3: Cross multiply
    131,806,161.54x = 197,720,001.42 × 66,193,555.35
  4. Step 4: Simplify right side
    131,806,161.54x = 13,087,789,857,796,848
  5. Step 5: Solve for x
    x = 13,087,789,857,796,848/131,806,161.54
  6. Step 6: Final answer
    x = 99,295,736.29

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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.