Home / 201,096,930.65-301,637,185.81-69,969,218.81

Finding the Fourth Proportional to 201,096,930.65, 301,637,185.81 and 69,969,218.81

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Solution

The fourth proportional to 201,096,930.65, 301,637,185.81 and 69,969,218.81 is: 104,950,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,096,930.65 : 301,637,185.81 = 69,969,218.81 : x
  2. Step 2: Convert to fraction form
    201,096,930.65/301,637,185.81 = 69,969,218.81/x
  3. Step 3: Cross multiply
    201,096,930.65x = 301,637,185.81 × 69,969,218.81
  4. Step 4: Simplify right side
    201,096,930.65x = 21,105,318,253,489,412
  5. Step 5: Solve for x
    x = 21,105,318,253,489,412/201,096,930.65
  6. Step 6: Final answer
    x = 104,950,971.58

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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.