Home / 68,498,106.13-102,762,272.01-19,979,757.16

Finding the Fourth Proportional to 68,498,106.13, 102,762,272.01 and 19,979,757.16

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Solution

The fourth proportional to 68,498,106.13, 102,762,272.01 and 19,979,757.16 is: 29,974,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,498,106.13 : 102,762,272.01 = 19,979,757.16 : x
  2. Step 2: Convert to fraction form
    68,498,106.13/102,762,272.01 = 19,979,757.16/x
  3. Step 3: Cross multiply
    68,498,106.13x = 102,762,272.01 × 19,979,757.16
  4. Step 4: Simplify right side
    68,498,106.13x = 2,053,165,239,969,665.25
  5. Step 5: Solve for x
    x = 2,053,165,239,969,665.25/68,498,106.13
  6. Step 6: Final answer
    x = 29,974,043.90

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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.