Home / 68,026,796,827.20-102,040,195,240.80-18,345,141,230.40

Finding the Fourth Proportional to 68,026,796,827.20, 102,040,195,240.80 and 18,345,141,230.40

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Solution

The fourth proportional to 68,026,796,827.20, 102,040,195,240.80 and 18,345,141,230.40 is: 27,517,711,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,026,796,827.20 : 102,040,195,240.80 = 18,345,141,230.40 : x
  2. Step 2: Convert to fraction form
    68,026,796,827.20/102,040,195,240.80 = 18,345,141,230.40/x
  3. Step 3: Cross multiply
    68,026,796,827.20x = 102,040,195,240.80 × 18,345,141,230.40
  4. Step 4: Simplify right side
    68,026,796,827.20x = 1,871,941,792,870,066,028,544
  5. Step 5: Solve for x
    x = 1,871,941,792,870,066,028,544/68,026,796,827.20
  6. Step 6: Final answer
    x = 27,517,711,845.60

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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.