Home / 105,730,993.24-158,628,964.48-50,469,344.76

Finding the Fourth Proportional to 105,730,993.24, 158,628,964.48 and 50,469,344.76

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Solution

The fourth proportional to 105,730,993.24, 158,628,964.48 and 50,469,344.76 is: 75,719,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730,993.24 : 158,628,964.48 = 50,469,344.76 : x
  2. Step 2: Convert to fraction form
    105,730,993.24/158,628,964.48 = 50,469,344.76/x
  3. Step 3: Cross multiply
    105,730,993.24x = 158,628,964.48 × 50,469,344.76
  4. Step 4: Simplify right side
    105,730,993.24x = 8,005,899,897,731,599
  5. Step 5: Solve for x
    x = 8,005,899,897,731,599/105,730,993.24
  6. Step 6: Final answer
    x = 75,719,518.49

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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.