Home / 217,401,668.64-326,132,784.71-69,853,668.80

Finding the Fourth Proportional to 217,401,668.64, 326,132,784.71 and 69,853,668.80

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Solution

The fourth proportional to 217,401,668.64, 326,132,784.71 and 69,853,668.80 is: 104,790,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401,668.64 : 326,132,784.71 = 69,853,668.80 : x
  2. Step 2: Convert to fraction form
    217,401,668.64/326,132,784.71 = 69,853,668.80/x
  3. Step 3: Cross multiply
    217,401,668.64x = 326,132,784.71 × 69,853,668.80
  4. Step 4: Simplify right side
    217,401,668.64x = 22,781,571,525,974,112
  5. Step 5: Solve for x
    x = 22,781,571,525,974,112/217,401,668.64
  6. Step 6: Final answer
    x = 104,790,233.07

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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.