Home / 131,163,016.20-196,812,615.87-53,496,900.06

Finding the Fourth Proportional to 131,163,016.20, 196,812,615.87 and 53,496,900.06

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Solution

The fourth proportional to 131,163,016.20, 196,812,615.87 and 53,496,900.06 is: 80,273,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163,016.20 : 196,812,615.87 = 53,496,900.06 : x
  2. Step 2: Convert to fraction form
    131,163,016.20/196,812,615.87 = 53,496,900.06/x
  3. Step 3: Cross multiply
    131,163,016.20x = 196,812,615.87 × 53,496,900.06
  4. Step 4: Simplify right side
    131,163,016.20x = 10,528,864,841,744,560
  5. Step 5: Solve for x
    x = 10,528,864,841,744,560/131,163,016.20
  6. Step 6: Final answer
    x = 80,273,122.31

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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.