Home / 186,120,748.80-279,181,123.20-49,806,132.30

Finding the Fourth Proportional to 186,120,748.80, 279,181,123.20 and 49,806,132.30

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Solution

The fourth proportional to 186,120,748.80, 279,181,123.20 and 49,806,132.30 is: 74,709,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120,748.80 : 279,181,123.20 = 49,806,132.30 : x
  2. Step 2: Convert to fraction form
    186,120,748.80/279,181,123.20 = 49,806,132.30/x
  3. Step 3: Cross multiply
    186,120,748.80x = 279,181,123.20 × 49,806,132.30
  4. Step 4: Simplify right side
    186,120,748.80x = 13,904,931,957,761,798
  5. Step 5: Solve for x
    x = 13,904,931,957,761,798/186,120,748.80
  6. Step 6: Final answer
    x = 74,709,198.45

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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.