Home / 43,083,968.60-64,667,943.30-21,542,893.40

Finding the Fourth Proportional to 43,083,968.60, 64,667,943.30 and 21,542,893.40

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Solution

The fourth proportional to 43,083,968.60, 64,667,943.30 and 21,542,893.40 is: 32,335,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083,968.60 : 64,667,943.30 = 21,542,893.40 : x
  2. Step 2: Convert to fraction form
    43,083,968.60/64,667,943.30 = 21,542,893.40/x
  3. Step 3: Cross multiply
    43,083,968.60x = 64,667,943.30 × 21,542,893.40
  4. Step 4: Simplify right side
    43,083,968.60x = 1,393,134,608,909,144
  5. Step 5: Solve for x
    x = 1,393,134,608,909,144/43,083,968.60
  6. Step 6: Final answer
    x = 32,335,336.19

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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.