Home / 74,882,172.80-112,270,115.10-28,806,238.10

Finding the Fourth Proportional to 74,882,172.80, 112,270,115.10 and 28,806,238.10

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Solution

The fourth proportional to 74,882,172.80, 112,270,115.10 and 28,806,238.10 is: 43,188,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882,172.80 : 112,270,115.10 = 28,806,238.10 : x
  2. Step 2: Convert to fraction form
    74,882,172.80/112,270,115.10 = 28,806,238.10/x
  3. Step 3: Cross multiply
    74,882,172.80x = 112,270,115.10 × 28,806,238.10
  4. Step 4: Simplify right side
    74,882,172.80x = 3,234,079,667,085,005.50
  5. Step 5: Solve for x
    x = 3,234,079,667,085,005.50/74,882,172.80
  6. Step 6: Final answer
    x = 43,188,913.28

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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.