Home / 143,271,054.06-197,714,724.15-81,394,787.94

Finding the Fourth Proportional to 143,271,054.06, 197,714,724.15 and 81,394,787.94

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Solution

The fourth proportional to 143,271,054.06, 197,714,724.15 and 81,394,787.94 is: 112,325,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,271,054.06 : 197,714,724.15 = 81,394,787.94 : x
  2. Step 2: Convert to fraction form
    143,271,054.06/197,714,724.15 = 81,394,787.94/x
  3. Step 3: Cross multiply
    143,271,054.06x = 197,714,724.15 × 81,394,787.94
  4. Step 4: Simplify right side
    143,271,054.06x = 16,092,948,043,409,300
  5. Step 5: Solve for x
    x = 16,092,948,043,409,300/143,271,054.06
  6. Step 6: Final answer
    x = 112,325,187.73

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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.