Home / 213,734,076.84-320,808,431.79-103,147,571.19

Finding the Fourth Proportional to 213,734,076.84, 320,808,431.79 and 103,147,571.19

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Solution

The fourth proportional to 213,734,076.84, 320,808,431.79 and 103,147,571.19 is: 154,821,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,076.84 : 320,808,431.79 = 103,147,571.19 : x
  2. Step 2: Convert to fraction form
    213,734,076.84/320,808,431.79 = 103,147,571.19/x
  3. Step 3: Cross multiply
    213,734,076.84x = 320,808,431.79 × 103,147,571.19
  4. Step 4: Simplify right side
    213,734,076.84x = 33,090,610,556,411,284
  5. Step 5: Solve for x
    x = 33,090,610,556,411,284/213,734,076.84
  6. Step 6: Final answer
    x = 154,821,407.26

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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.