Home / 66,943,905.60-100,370,016.22-34,090,880.37

Finding the Fourth Proportional to 66,943,905.60, 100,370,016.22 and 34,090,880.37

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Solution

The fourth proportional to 66,943,905.60, 100,370,016.22 and 34,090,880.37 is: 51,112,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943,905.60 : 100,370,016.22 = 34,090,880.37 : x
  2. Step 2: Convert to fraction form
    66,943,905.60/100,370,016.22 = 34,090,880.37/x
  3. Step 3: Cross multiply
    66,943,905.60x = 100,370,016.22 × 34,090,880.37
  4. Step 4: Simplify right side
    66,943,905.60x = 3,421,702,215,690,979.50
  5. Step 5: Solve for x
    x = 3,421,702,215,690,979.50/66,943,905.60
  6. Step 6: Final answer
    x = 51,112,975.63

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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.