Home / 279,165,704.22-418,554,640.40-123,634,759.50

Finding the Fourth Proportional to 279,165,704.22, 418,554,640.40 and 123,634,759.50

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Solution

The fourth proportional to 279,165,704.22, 418,554,640.40 and 123,634,759.50 is: 185,366,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,165,704.22 : 418,554,640.40 = 123,634,759.50 : x
  2. Step 2: Convert to fraction form
    279,165,704.22/418,554,640.40 = 123,634,759.50/x
  3. Step 3: Cross multiply
    279,165,704.22x = 418,554,640.40 × 123,634,759.50
  4. Step 4: Simplify right side
    279,165,704.22x = 51,747,902,302,844,808
  5. Step 5: Solve for x
    x = 51,747,902,302,844,808/279,165,704.22
  6. Step 6: Final answer
    x = 185,366,259.25

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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.