Home / 68,687,382.77-103,035,001.70-19,499,388.68

Finding the Fourth Proportional to 68,687,382.77, 103,035,001.70 and 19,499,388.68

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Solution

The fourth proportional to 68,687,382.77, 103,035,001.70 and 19,499,388.68 is: 29,250,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,687,382.77 : 103,035,001.70 = 19,499,388.68 : x
  2. Step 2: Convert to fraction form
    68,687,382.77/103,035,001.70 = 19,499,388.68/x
  3. Step 3: Cross multiply
    68,687,382.77x = 103,035,001.70 × 19,499,388.68
  4. Step 4: Simplify right side
    68,687,382.77x = 2,009,119,545,792,760.75
  5. Step 5: Solve for x
    x = 2,009,119,545,792,760.75/68,687,382.77
  6. Step 6: Final answer
    x = 29,250,198.00

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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.