Home / 278,175,087.59-383,882,376.26-152,735,408.38

Finding the Fourth Proportional to 278,175,087.59, 383,882,376.26 and 152,735,408.38

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Solution

The fourth proportional to 278,175,087.59, 383,882,376.26 and 152,735,408.38 is: 210,775,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,175,087.59 : 383,882,376.26 = 152,735,408.38 : x
  2. Step 2: Convert to fraction form
    278,175,087.59/383,882,376.26 = 152,735,408.38/x
  3. Step 3: Cross multiply
    278,175,087.59x = 383,882,376.26 × 152,735,408.38
  4. Step 4: Simplify right side
    278,175,087.59x = 58,632,431,507,378,048
  5. Step 5: Solve for x
    x = 58,632,431,507,378,048/278,175,087.59
  6. Step 6: Final answer
    x = 210,775,278.32

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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.