Home / 248,429,408.90-342,846,066.36-142,581,977.94

Finding the Fourth Proportional to 248,429,408.90, 342,846,066.36 and 142,581,977.94

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Solution

The fourth proportional to 248,429,408.90, 342,846,066.36 and 142,581,977.94 is: 196,770,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429,408.90 : 342,846,066.36 = 142,581,977.94 : x
  2. Step 2: Convert to fraction form
    248,429,408.90/342,846,066.36 = 142,581,977.94/x
  3. Step 3: Cross multiply
    248,429,408.90x = 342,846,066.36 × 142,581,977.94
  4. Step 4: Simplify right side
    248,429,408.90x = 48,883,670,270,557,296
  5. Step 5: Solve for x
    x = 48,883,670,270,557,296/248,429,408.90
  6. Step 6: Final answer
    x = 196,770,867.38

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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.