Home / 259,143,991-357,622,956.30-154,731,186.52

Finding the Fourth Proportional to 259,143,991, 357,622,956.30 and 154,731,186.52

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Solution

The fourth proportional to 259,143,991, 357,622,956.30 and 154,731,186.52 is: 213,531,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,143,991 : 357,622,956.30 = 154,731,186.52 : x
  2. Step 2: Convert to fraction form
    259,143,991/357,622,956.30 = 154,731,186.52/x
  3. Step 3: Cross multiply
    259,143,991x = 357,622,956.30 × 154,731,186.52
  4. Step 4: Simplify right side
    259,143,991x = 55,335,424,355,089,112
  5. Step 5: Solve for x
    x = 55,335,424,355,089,112/259,143,991
  6. Step 6: Final answer
    x = 213,531,574.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.