Home / 163,903,380.80-245,867,512.80-48,878,945.60

Finding the Fourth Proportional to 163,903,380.80, 245,867,512.80 and 48,878,945.60

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Solution

The fourth proportional to 163,903,380.80, 245,867,512.80 and 48,878,945.60 is: 73,322,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,903,380.80 : 245,867,512.80 = 48,878,945.60 : x
  2. Step 2: Convert to fraction form
    163,903,380.80/245,867,512.80 = 48,878,945.60/x
  3. Step 3: Cross multiply
    163,903,380.80x = 245,867,512.80 × 48,878,945.60
  4. Step 4: Simplify right side
    163,903,380.80x = 12,017,744,782,958,504
  5. Step 5: Solve for x
    x = 12,017,744,782,958,504/163,903,380.80
  6. Step 6: Final answer
    x = 73,322,128.71

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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.