Home / 219,245,719.56-302,534,682.60-121,436,081.16

Finding the Fourth Proportional to 219,245,719.56, 302,534,682.60 and 121,436,081.16

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Solution

The fourth proportional to 219,245,719.56, 302,534,682.60 and 121,436,081.16 is: 167,568,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,245,719.56 : 302,534,682.60 = 121,436,081.16 : x
  2. Step 2: Convert to fraction form
    219,245,719.56/302,534,682.60 = 121,436,081.16/x
  3. Step 3: Cross multiply
    219,245,719.56x = 302,534,682.60 × 121,436,081.16
  4. Step 4: Simplify right side
    219,245,719.56x = 36,738,626,269,928,440
  5. Step 5: Solve for x
    x = 36,738,626,269,928,440/219,245,719.56
  6. Step 6: Final answer
    x = 167,568,271.54

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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.