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Finding the Fourth Proportional to 169,470,034.80, 254,228,671.80 and 72,424,971.60

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Solution

The fourth proportional to 169,470,034.80, 254,228,671.80 and 72,424,971.60 is: 108,647,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,470,034.80 : 254,228,671.80 = 72,424,971.60 : x
  2. Step 2: Convert to fraction form
    169,470,034.80/254,228,671.80 = 72,424,971.60/x
  3. Step 3: Cross multiply
    169,470,034.80x = 254,228,671.80 × 72,424,971.60
  4. Step 4: Simplify right side
    169,470,034.80x = 18,412,504,335,020,720
  5. Step 5: Solve for x
    x = 18,412,504,335,020,720/169,470,034.80
  6. Step 6: Final answer
    x = 108,647,551.51

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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.