Home / 268,380,094-402,525,296.40-74,311,126.76

Finding the Fourth Proportional to 268,380,094, 402,525,296.40 and 74,311,126.76

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Solution

The fourth proportional to 268,380,094, 402,525,296.40 and 74,311,126.76 is: 111,454,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,380,094 : 402,525,296.40 = 74,311,126.76 : x
  2. Step 2: Convert to fraction form
    268,380,094/402,525,296.40 = 74,311,126.76/x
  3. Step 3: Cross multiply
    268,380,094x = 402,525,296.40 × 74,311,126.76
  4. Step 4: Simplify right side
    268,380,094x = 29,912,108,324,886,972
  5. Step 5: Solve for x
    x = 29,912,108,324,886,972/268,380,094
  6. Step 6: Final answer
    x = 111,454,273.23

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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.