Home / 190,473,258.57-285,641,381.39-65,942,072.97

Finding the Fourth Proportional to 190,473,258.57, 285,641,381.39 and 65,942,072.97

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Solution

The fourth proportional to 190,473,258.57, 285,641,381.39 and 65,942,072.97 is: 98,889,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473,258.57 : 285,641,381.39 = 65,942,072.97 : x
  2. Step 2: Convert to fraction form
    190,473,258.57/285,641,381.39 = 65,942,072.97/x
  3. Step 3: Cross multiply
    190,473,258.57x = 285,641,381.39 × 65,942,072.97
  4. Step 4: Simplify right side
    190,473,258.57x = 18,835,784,814,541,268
  5. Step 5: Solve for x
    x = 18,835,784,814,541,268/190,473,258.57
  6. Step 6: Final answer
    x = 98,889,392.43

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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.