Home / 47,912,093.80-71,868,140.70-19,144,004.20

Finding the Fourth Proportional to 47,912,093.80, 71,868,140.70 and 19,144,004.20

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Solution

The fourth proportional to 47,912,093.80, 71,868,140.70 and 19,144,004.20 is: 28,716,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912,093.80 : 71,868,140.70 = 19,144,004.20 : x
  2. Step 2: Convert to fraction form
    47,912,093.80/71,868,140.70 = 19,144,004.20/x
  3. Step 3: Cross multiply
    47,912,093.80x = 71,868,140.70 × 19,144,004.20
  4. Step 4: Simplify right side
    47,912,093.80x = 1,375,843,987,406,991
  5. Step 5: Solve for x
    x = 1,375,843,987,406,991/47,912,093.80
  6. Step 6: Final answer
    x = 28,716,006.30

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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.