Home / 281,089,439.44-387,848,301.78-176,606,977.30

Finding the Fourth Proportional to 281,089,439.44, 387,848,301.78 and 176,606,977.30

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Solution

The fourth proportional to 281,089,439.44, 387,848,301.78 and 176,606,977.30 is: 243,682,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,089,439.44 : 387,848,301.78 = 176,606,977.30 : x
  2. Step 2: Convert to fraction form
    281,089,439.44/387,848,301.78 = 176,606,977.30/x
  3. Step 3: Cross multiply
    281,089,439.44x = 387,848,301.78 × 176,606,977.30
  4. Step 4: Simplify right side
    281,089,439.44x = 68,496,716,228,304,008
  5. Step 5: Solve for x
    x = 68,496,716,228,304,008/281,089,439.44
  6. Step 6: Final answer
    x = 243,682,994.16

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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.