Home / 188,921,554.38-260,701,203.69-104,145,938.10

Finding the Fourth Proportional to 188,921,554.38, 260,701,203.69 and 104,145,938.10

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Solution

The fourth proportional to 188,921,554.38, 260,701,203.69 and 104,145,938.10 is: 143,715,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,921,554.38 : 260,701,203.69 = 104,145,938.10 : x
  2. Step 2: Convert to fraction form
    188,921,554.38/260,701,203.69 = 104,145,938.10/x
  3. Step 3: Cross multiply
    188,921,554.38x = 260,701,203.69 × 104,145,938.10
  4. Step 4: Simplify right side
    188,921,554.38x = 27,150,971,422,094,228
  5. Step 5: Solve for x
    x = 27,150,971,422,094,228/188,921,554.38
  6. Step 6: Final answer
    x = 143,715,583.49

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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.