Home / 217,409,788.56-326,258,171.92-115,245,570.72

Finding the Fourth Proportional to 217,409,788.56, 326,258,171.92 and 115,245,570.72

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Solution

The fourth proportional to 217,409,788.56, 326,258,171.92 and 115,245,570.72 is: 172,944,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,409,788.56 : 326,258,171.92 = 115,245,570.72 : x
  2. Step 2: Convert to fraction form
    217,409,788.56/326,258,171.92 = 115,245,570.72/x
  3. Step 3: Cross multiply
    217,409,788.56x = 326,258,171.92 × 115,245,570.72
  4. Step 4: Simplify right side
    217,409,788.56x = 37,599,809,224,984,280
  5. Step 5: Solve for x
    x = 37,599,809,224,984,280/217,409,788.56
  6. Step 6: Final answer
    x = 172,944,417.42

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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.