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Finding the Fourth Proportional to 169,505,994.60, 254,447,948.70 and 92,978,490.60

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Solution

The fourth proportional to 169,505,994.60, 254,447,948.70 and 92,978,490.60 is: 139,571,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,505,994.60 : 254,447,948.70 = 92,978,490.60 : x
  2. Step 2: Convert to fraction form
    169,505,994.60/254,447,948.70 = 92,978,490.60/x
  3. Step 3: Cross multiply
    169,505,994.60x = 254,447,948.70 × 92,978,490.60
  4. Step 4: Simplify right side
    169,505,994.60x = 23,658,186,206,392,228
  5. Step 5: Solve for x
    x = 23,658,186,206,392,228/169,505,994.60
  6. Step 6: Final answer
    x = 139,571,383.67

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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.