Home / 427,632,224.58-641,542,815.27-154,995,905.70

Finding the Fourth Proportional to 427,632,224.58, 641,542,815.27 and 154,995,905.70

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Solution

The fourth proportional to 427,632,224.58, 641,542,815.27 and 154,995,905.70 is: 232,528,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,632,224.58 : 641,542,815.27 = 154,995,905.70 : x
  2. Step 2: Convert to fraction form
    427,632,224.58/641,542,815.27 = 154,995,905.70/x
  3. Step 3: Cross multiply
    427,632,224.58x = 641,542,815.27 × 154,995,905.70
  4. Step 4: Simplify right side
    427,632,224.58x = 99,436,509,698,101,424
  5. Step 5: Solve for x
    x = 99,436,509,698,101,424/427,632,224.58
  6. Step 6: Final answer
    x = 232,528,102.38

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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.