Home / 286,021,249.44-429,035,859.96-81,549,324.69

Finding the Fourth Proportional to 286,021,249.44, 429,035,859.96 and 81,549,324.69

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Solution

The fourth proportional to 286,021,249.44, 429,035,859.96 and 81,549,324.69 is: 122,325,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,021,249.44 : 429,035,859.96 = 81,549,324.69 : x
  2. Step 2: Convert to fraction form
    286,021,249.44/429,035,859.96 = 81,549,324.69/x
  3. Step 3: Cross multiply
    286,021,249.44x = 429,035,859.96 × 81,549,324.69
  4. Step 4: Simplify right side
    286,021,249.44x = 34,987,584,647,531,408
  5. Step 5: Solve for x
    x = 34,987,584,647,531,408/286,021,249.44
  6. Step 6: Final answer
    x = 122,325,123.45

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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.