Home / 186,120,745.80-279,181,118.70-49,806,129.30

Finding the Fourth Proportional to 186,120,745.80, 279,181,118.70 and 49,806,129.30

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Solution

The fourth proportional to 186,120,745.80, 279,181,118.70 and 49,806,129.30 is: 74,709,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120,745.80 : 279,181,118.70 = 49,806,129.30 : x
  2. Step 2: Convert to fraction form
    186,120,745.80/279,181,118.70 = 49,806,129.30/x
  3. Step 3: Cross multiply
    186,120,745.80x = 279,181,118.70 × 49,806,129.30
  4. Step 4: Simplify right side
    186,120,745.80x = 13,904,930,896,090,846
  5. Step 5: Solve for x
    x = 13,904,930,896,090,846/186,120,745.80
  6. Step 6: Final answer
    x = 74,709,193.95

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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.