Home / 213,734,083.03-320,808,441.08-103,147,577.38

Finding the Fourth Proportional to 213,734,083.03, 320,808,441.08 and 103,147,577.38

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Solution

The fourth proportional to 213,734,083.03, 320,808,441.08 and 103,147,577.38 is: 154,821,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,083.03 : 320,808,441.08 = 103,147,577.38 : x
  2. Step 2: Convert to fraction form
    213,734,083.03/320,808,441.08 = 103,147,577.38/x
  3. Step 3: Cross multiply
    213,734,083.03x = 320,808,441.08 × 103,147,577.38
  4. Step 4: Simplify right side
    213,734,083.03x = 33,090,613,500,456,468
  5. Step 5: Solve for x
    x = 33,090,613,500,456,468/213,734,083.03
  6. Step 6: Final answer
    x = 154,821,416.55

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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.