Home / 177,362,137.20-266,131,679.40-100,743,999.60

Finding the Fourth Proportional to 177,362,137.20, 266,131,679.40 and 100,743,999.60

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Solution

The fourth proportional to 177,362,137.20, 266,131,679.40 and 100,743,999.60 is: 151,166,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,362,137.20 : 266,131,679.40 = 100,743,999.60 : x
  2. Step 2: Convert to fraction form
    177,362,137.20/266,131,679.40 = 100,743,999.60/x
  3. Step 3: Cross multiply
    177,362,137.20x = 266,131,679.40 × 100,743,999.60
  4. Step 4: Simplify right side
    177,362,137.20x = 26,811,169,803,020,928
  5. Step 5: Solve for x
    x = 26,811,169,803,020,928/177,362,137.20
  6. Step 6: Final answer
    x = 151,166,253.55

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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.