Home / 68,502,101,329.32-102,757,078,716.06-18,136,226,359.44

Finding the Fourth Proportional to 68,502,101,329.32, 102,757,078,716.06 and 18,136,226,359.44

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Solution

The fourth proportional to 68,502,101,329.32, 102,757,078,716.06 and 18,136,226,359.44 is: 27,205,379,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,502,101,329.32 : 102,757,078,716.06 = 18,136,226,359.44 : x
  2. Step 2: Convert to fraction form
    68,502,101,329.32/102,757,078,716.06 = 18,136,226,359.44/x
  3. Step 3: Cross multiply
    68,502,101,329.32x = 102,757,078,716.06 × 18,136,226,359.44
  4. Step 4: Simplify right side
    68,502,101,329.32x = 1,863,625,639,629,258,227,712
  5. Step 5: Solve for x
    x = 1,863,625,639,629,258,227,712/68,502,101,329.32
  6. Step 6: Final answer
    x = 27,205,379,155.74

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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.