Home / 53,901,028.80-80,851,543.20-19,815,321.60

Finding the Fourth Proportional to 53,901,028.80, 80,851,543.20 and 19,815,321.60

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Solution

The fourth proportional to 53,901,028.80, 80,851,543.20 and 19,815,321.60 is: 29,722,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,028.80 : 80,851,543.20 = 19,815,321.60 : x
  2. Step 2: Convert to fraction form
    53,901,028.80/80,851,543.20 = 19,815,321.60/x
  3. Step 3: Cross multiply
    53,901,028.80x = 80,851,543.20 × 19,815,321.60
  4. Step 4: Simplify right side
    53,901,028.80x = 1,602,099,330,364,293.25
  5. Step 5: Solve for x
    x = 1,602,099,330,364,293.25/53,901,028.80
  6. Step 6: Final answer
    x = 29,722,982.40

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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.