Home / 154,867,181.92-213,719,446.22-84,304,832.20

Finding the Fourth Proportional to 154,867,181.92, 213,719,446.22 and 84,304,832.20

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Solution

The fourth proportional to 154,867,181.92, 213,719,446.22 and 84,304,832.20 is: 116,342,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,867,181.92 : 213,719,446.22 = 84,304,832.20 : x
  2. Step 2: Convert to fraction form
    154,867,181.92/213,719,446.22 = 84,304,832.20/x
  3. Step 3: Cross multiply
    154,867,181.92x = 213,719,446.22 × 84,304,832.20
  4. Step 4: Simplify right side
    154,867,181.92x = 18,017,582,051,454,024
  5. Step 5: Solve for x
    x = 18,017,582,051,454,024/154,867,181.92
  6. Step 6: Final answer
    x = 116,342,157.38

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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.