Home / 217,401,386.76-326,306,391.54-113,844,921.24

Finding the Fourth Proportional to 217,401,386.76, 326,306,391.54 and 113,844,921.24

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Solution

The fourth proportional to 217,401,386.76, 326,306,391.54 and 113,844,921.24 is: 170,874,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401,386.76 : 326,306,391.54 = 113,844,921.24 : x
  2. Step 2: Convert to fraction form
    217,401,386.76/326,306,391.54 = 113,844,921.24/x
  3. Step 3: Cross multiply
    217,401,386.76x = 326,306,391.54 × 113,844,921.24
  4. Step 4: Simplify right side
    217,401,386.76x = 37,148,325,444,979,904
  5. Step 5: Solve for x
    x = 37,148,325,444,979,904/217,401,386.76
  6. Step 6: Final answer
    x = 170,874,372.05

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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.