Home / 215,678,300.40-323,517,450.60-194,179,215.60

Finding the Fourth Proportional to 215,678,300.40, 323,517,450.60 and 194,179,215.60

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Solution

The fourth proportional to 215,678,300.40, 323,517,450.60 and 194,179,215.60 is: 291,268,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678,300.40 : 323,517,450.60 = 194,179,215.60 : x
  2. Step 2: Convert to fraction form
    215,678,300.40/323,517,450.60 = 194,179,215.60/x
  3. Step 3: Cross multiply
    215,678,300.40x = 323,517,450.60 × 194,179,215.60
  4. Step 4: Simplify right side
    215,678,300.40x = 62,820,364,790,419,752
  5. Step 5: Solve for x
    x = 62,820,364,790,419,752/215,678,300.40
  6. Step 6: Final answer
    x = 291,268,823.40

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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.