Home / 43,117,342.04-64,629,954.84-21,509,344.64

Finding the Fourth Proportional to 43,117,342.04, 64,629,954.84 and 21,509,344.64

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Solution

The fourth proportional to 43,117,342.04, 64,629,954.84 and 21,509,344.64 is: 32,241,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117,342.04 : 64,629,954.84 = 21,509,344.64 : x
  2. Step 2: Convert to fraction form
    43,117,342.04/64,629,954.84 = 21,509,344.64/x
  3. Step 3: Cross multiply
    43,117,342.04x = 64,629,954.84 × 21,509,344.64
  4. Step 4: Simplify right side
    43,117,342.04x = 1,390,147,972,721,196.25
  5. Step 5: Solve for x
    x = 1,390,147,972,721,196.25/43,117,342.04
  6. Step 6: Final answer
    x = 32,241,040.54

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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.