Home / 269,583,925,642.05-372,037,511,745.09-149,289,863,807.56

Finding the Fourth Proportional to 269,583,925,642.05, 372,037,511,745.09 and 149,289,863,807.56

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Solution

The fourth proportional to 269,583,925,642.05, 372,037,511,745.09 and 149,289,863,807.56 is: 206,026,488,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,583,925,642.05 : 372,037,511,745.09 = 149,289,863,807.56 : x
  2. Step 2: Convert to fraction form
    269,583,925,642.05/372,037,511,745.09 = 149,289,863,807.56/x
  3. Step 3: Cross multiply
    269,583,925,642.05x = 372,037,511,745.09 × 149,289,863,807.56
  4. Step 4: Simplify right side
    269,583,925,642.05x = 55,541,429,459,727,991,963,648
  5. Step 5: Solve for x
    x = 55,541,429,459,727,991,963,648/269,583,925,642.05
  6. Step 6: Final answer
    x = 206,026,488,142.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.