Home / 213,734,084.03-320,808,442.58-103,147,578.38

Finding the Fourth Proportional to 213,734,084.03, 320,808,442.58 and 103,147,578.38

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Solution

The fourth proportional to 213,734,084.03, 320,808,442.58 and 103,147,578.38 is: 154,821,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,084.03 : 320,808,442.58 = 103,147,578.38 : x
  2. Step 2: Convert to fraction form
    213,734,084.03/320,808,442.58 = 103,147,578.38/x
  3. Step 3: Cross multiply
    213,734,084.03x = 320,808,442.58 × 103,147,578.38
  4. Step 4: Simplify right side
    213,734,084.03x = 33,090,613,975,986,276
  5. Step 5: Solve for x
    x = 33,090,613,975,986,276/213,734,084.03
  6. Step 6: Final answer
    x = 154,821,418.05

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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.