Home / 213,734,082.90-320,808,440.88-103,147,577.24

Finding the Fourth Proportional to 213,734,082.90, 320,808,440.88 and 103,147,577.24

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Solution

The fourth proportional to 213,734,082.90, 320,808,440.88 and 103,147,577.24 is: 154,821,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,082.90 : 320,808,440.88 = 103,147,577.24 : x
  2. Step 2: Convert to fraction form
    213,734,082.90/320,808,440.88 = 103,147,577.24/x
  3. Step 3: Cross multiply
    213,734,082.90x = 320,808,440.88 × 103,147,577.24
  4. Step 4: Simplify right side
    213,734,082.90x = 33,090,613,436,833,804
  5. Step 5: Solve for x
    x = 33,090,613,436,833,804/213,734,082.90
  6. Step 6: Final answer
    x = 154,821,416.35

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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.