Home / 221,583,412.44-332,374,672.98-208,099,364.28

Finding the Fourth Proportional to 221,583,412.44, 332,374,672.98 and 208,099,364.28

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Solution

The fourth proportional to 221,583,412.44, 332,374,672.98 and 208,099,364.28 is: 312,148,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,583,412.44 : 332,374,672.98 = 208,099,364.28 : x
  2. Step 2: Convert to fraction form
    221,583,412.44/332,374,672.98 = 208,099,364.28/x
  3. Step 3: Cross multiply
    221,583,412.44x = 332,374,672.98 × 208,099,364.28
  4. Step 4: Simplify right side
    221,583,412.44x = 69,166,958,149,910,896
  5. Step 5: Solve for x
    x = 69,166,958,149,910,896/221,583,412.44
  6. Step 6: Final answer
    x = 312,148,627.86

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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.