Home / 154,063,249.55-212,483,315.84-135,438,567.60

Finding the Fourth Proportional to 154,063,249.55, 212,483,315.84 and 135,438,567.60

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Solution

The fourth proportional to 154,063,249.55, 212,483,315.84 and 135,438,567.60 is: 186,796,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,063,249.55 : 212,483,315.84 = 135,438,567.60 : x
  2. Step 2: Convert to fraction form
    154,063,249.55/212,483,315.84 = 135,438,567.60/x
  3. Step 3: Cross multiply
    154,063,249.55x = 212,483,315.84 × 135,438,567.60
  4. Step 4: Simplify right side
    154,063,249.55x = 28,778,435,936,267,992
  5. Step 5: Solve for x
    x = 28,778,435,936,267,992/154,063,249.55
  6. Step 6: Final answer
    x = 186,796,241.29

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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.