Home / 294,516,907.20-441,775,360.80-100,647,230.40

Finding the Fourth Proportional to 294,516,907.20, 441,775,360.80 and 100,647,230.40

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Solution

The fourth proportional to 294,516,907.20, 441,775,360.80 and 100,647,230.40 is: 150,970,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,516,907.20 : 441,775,360.80 = 100,647,230.40 : x
  2. Step 2: Convert to fraction form
    294,516,907.20/441,775,360.80 = 100,647,230.40/x
  3. Step 3: Cross multiply
    294,516,907.20x = 441,775,360.80 × 100,647,230.40
  4. Step 4: Simplify right side
    294,516,907.20x = 44,463,466,523,480,736
  5. Step 5: Solve for x
    x = 44,463,466,523,480,736/294,516,907.20
  6. Step 6: Final answer
    x = 150,970,845.60

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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.