Home / 144,856,361.48-199,866,787.62-91,913,765.80

Finding the Fourth Proportional to 144,856,361.48, 199,866,787.62 and 91,913,765.80

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Solution

The fourth proportional to 144,856,361.48, 199,866,787.62 and 91,913,765.80 is: 126,818,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856,361.48 : 199,866,787.62 = 91,913,765.80 : x
  2. Step 2: Convert to fraction form
    144,856,361.48/199,866,787.62 = 91,913,765.80/x
  3. Step 3: Cross multiply
    144,856,361.48x = 199,866,787.62 × 91,913,765.80
  4. Step 4: Simplify right side
    144,856,361.48x = 18,370,509,108,503,020
  5. Step 5: Solve for x
    x = 18,370,509,108,503,020/144,856,361.48
  6. Step 6: Final answer
    x = 126,818,794.29

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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.