Home / 137,945,116.40-206,917,674.60-122,417,999.60

Finding the Fourth Proportional to 137,945,116.40, 206,917,674.60 and 122,417,999.60

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Solution

The fourth proportional to 137,945,116.40, 206,917,674.60 and 122,417,999.60 is: 183,626,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,945,116.40 : 206,917,674.60 = 122,417,999.60 : x
  2. Step 2: Convert to fraction form
    137,945,116.40/206,917,674.60 = 122,417,999.60/x
  3. Step 3: Cross multiply
    137,945,116.40x = 206,917,674.60 × 122,417,999.60
  4. Step 4: Simplify right side
    137,945,116.40x = 25,330,447,806,415,728
  5. Step 5: Solve for x
    x = 25,330,447,806,415,728/137,945,116.40
  6. Step 6: Final answer
    x = 183,626,999.40

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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.