Home / 142,006,841.81-195,954,512.73-82,456,497.35

Finding the Fourth Proportional to 142,006,841.81, 195,954,512.73 and 82,456,497.35

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Solution

The fourth proportional to 142,006,841.81, 195,954,512.73 and 82,456,497.35 is: 113,781,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,006,841.81 : 195,954,512.73 = 82,456,497.35 : x
  2. Step 2: Convert to fraction form
    142,006,841.81/195,954,512.73 = 82,456,497.35/x
  3. Step 3: Cross multiply
    142,006,841.81x = 195,954,512.73 × 82,456,497.35
  4. Step 4: Simplify right side
    142,006,841.81x = 16,157,722,759,641,784
  5. Step 5: Solve for x
    x = 16,157,722,759,641,784/142,006,841.81
  6. Step 6: Final answer
    x = 113,781,297.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.