Home / 151,683,242.96-209,321,387.16-82,067,096.36

Finding the Fourth Proportional to 151,683,242.96, 209,321,387.16 and 82,067,096.36

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Solution

The fourth proportional to 151,683,242.96, 209,321,387.16 and 82,067,096.36 is: 113,251,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,683,242.96 : 209,321,387.16 = 82,067,096.36 : x
  2. Step 2: Convert to fraction form
    151,683,242.96/209,321,387.16 = 82,067,096.36/x
  3. Step 3: Cross multiply
    151,683,242.96x = 209,321,387.16 × 82,067,096.36
  4. Step 4: Simplify right side
    151,683,242.96x = 17,178,398,450,268,586
  5. Step 5: Solve for x
    x = 17,178,398,450,268,586/151,683,242.96
  6. Step 6: Final answer
    x = 113,251,787.84

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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.