Home / 149,886,425.90-206,639,852.06-105,171,644.46

Finding the Fourth Proportional to 149,886,425.90, 206,639,852.06 and 105,171,644.46

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Solution

The fourth proportional to 149,886,425.90, 206,639,852.06 and 105,171,644.46 is: 144,994,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,886,425.90 : 206,639,852.06 = 105,171,644.46 : x
  2. Step 2: Convert to fraction form
    149,886,425.90/206,639,852.06 = 105,171,644.46/x
  3. Step 3: Cross multiply
    149,886,425.90x = 206,639,852.06 × 105,171,644.46
  4. Step 4: Simplify right side
    149,886,425.90x = 21,732,653,052,864,668
  5. Step 5: Solve for x
    x = 21,732,653,052,864,668/149,886,425.90
  6. Step 6: Final answer
    x = 144,994,137.54

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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.