Home / 215,607,107.20-323,424,657.60-113,570,435.20

Finding the Fourth Proportional to 215,607,107.20, 323,424,657.60 and 113,570,435.20

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Solution

The fourth proportional to 215,607,107.20, 323,424,657.60 and 113,570,435.20 is: 170,363,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,607,107.20 : 323,424,657.60 = 113,570,435.20 : x
  2. Step 2: Convert to fraction form
    215,607,107.20/323,424,657.60 = 113,570,435.20/x
  3. Step 3: Cross multiply
    215,607,107.20x = 323,424,657.60 × 113,570,435.20
  4. Step 4: Simplify right side
    215,607,107.20x = 36,731,479,118,042,992
  5. Step 5: Solve for x
    x = 36,731,479,118,042,992/215,607,107.20
  6. Step 6: Final answer
    x = 170,363,025.57

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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.