Home / 105,730,993.66-158,628,965.13-50,469,345.20

Finding the Fourth Proportional to 105,730,993.66, 158,628,965.13 and 50,469,345.20

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Solution

The fourth proportional to 105,730,993.66, 158,628,965.13 and 50,469,345.20 is: 75,719,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730,993.66 : 158,628,965.13 = 50,469,345.20 : x
  2. Step 2: Convert to fraction form
    105,730,993.66/158,628,965.13 = 50,469,345.20/x
  3. Step 3: Cross multiply
    105,730,993.66x = 158,628,965.13 × 50,469,345.20
  4. Step 4: Simplify right side
    105,730,993.66x = 8,005,899,999,864,733
  5. Step 5: Solve for x
    x = 8,005,899,999,864,733/105,730,993.66
  6. Step 6: Final answer
    x = 75,719,519.16

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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.