Home / 203,361,804.55-280,639,471.12-110,542,312.39

Finding the Fourth Proportional to 203,361,804.55, 280,639,471.12 and 110,542,312.39

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Solution

The fourth proportional to 203,361,804.55, 280,639,471.12 and 110,542,312.39 is: 152,548,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,361,804.55 : 280,639,471.12 = 110,542,312.39 : x
  2. Step 2: Convert to fraction form
    203,361,804.55/280,639,471.12 = 110,542,312.39/x
  3. Step 3: Cross multiply
    203,361,804.55x = 280,639,471.12 × 110,542,312.39
  4. Step 4: Simplify right side
    203,361,804.55x = 31,022,536,085,511,424
  5. Step 5: Solve for x
    x = 31,022,536,085,511,424/203,361,804.55
  6. Step 6: Final answer
    x = 152,548,489.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.