Home / 201,096,920.78-301,637,170.99-69,969,208.94

Finding the Fourth Proportional to 201,096,920.78, 301,637,170.99 and 69,969,208.94

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Solution

The fourth proportional to 201,096,920.78, 301,637,170.99 and 69,969,208.94 is: 104,950,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,096,920.78 : 301,637,170.99 = 69,969,208.94 : x
  2. Step 2: Convert to fraction form
    201,096,920.78/301,637,170.99 = 69,969,208.94/x
  3. Step 3: Cross multiply
    201,096,920.78x = 301,637,170.99 × 69,969,208.94
  4. Step 4: Simplify right side
    201,096,920.78x = 21,105,314,241,069,816
  5. Step 5: Solve for x
    x = 21,105,314,241,069,816/201,096,920.78
  6. Step 6: Final answer
    x = 104,950,956.78

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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.