Home / 427,632,226.27-641,542,817.80-154,995,907.39

Finding the Fourth Proportional to 427,632,226.27, 641,542,817.80 and 154,995,907.39

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Solution

The fourth proportional to 427,632,226.27, 641,542,817.80 and 154,995,907.39 is: 232,528,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,632,226.27 : 641,542,817.80 = 154,995,907.39 : x
  2. Step 2: Convert to fraction form
    427,632,226.27/641,542,817.80 = 154,995,907.39/x
  3. Step 3: Cross multiply
    427,632,226.27x = 641,542,817.80 × 154,995,907.39
  4. Step 4: Simplify right side
    427,632,226.27x = 99,436,511,173,038,320
  5. Step 5: Solve for x
    x = 99,436,511,173,038,320/427,632,226.27
  6. Step 6: Final answer
    x = 232,528,104.91

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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.