Home / 43,083,967.60-64,667,941.80-21,542,892.40

Finding the Fourth Proportional to 43,083,967.60, 64,667,941.80 and 21,542,892.40

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Solution

The fourth proportional to 43,083,967.60, 64,667,941.80 and 21,542,892.40 is: 32,335,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083,967.60 : 64,667,941.80 = 21,542,892.40 : x
  2. Step 2: Convert to fraction form
    43,083,967.60/64,667,941.80 = 21,542,892.40/x
  3. Step 3: Cross multiply
    43,083,967.60x = 64,667,941.80 × 21,542,892.40
  4. Step 4: Simplify right side
    43,083,967.60x = 1,393,134,511,926,862.25
  5. Step 5: Solve for x
    x = 1,393,134,511,926,862.25/43,083,967.60
  6. Step 6: Final answer
    x = 32,335,334.69

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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.