Home / 217,620,418.40-326,430,627.60-168,302,693.60

Finding the Fourth Proportional to 217,620,418.40, 326,430,627.60 and 168,302,693.60

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Solution

The fourth proportional to 217,620,418.40, 326,430,627.60 and 168,302,693.60 is: 252,454,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,620,418.40 : 326,430,627.60 = 168,302,693.60 : x
  2. Step 2: Convert to fraction form
    217,620,418.40/326,430,627.60 = 168,302,693.60/x
  3. Step 3: Cross multiply
    217,620,418.40x = 326,430,627.60 × 168,302,693.60
  4. Step 4: Simplify right side
    217,620,418.40x = 54,939,153,898,618,504
  5. Step 5: Solve for x
    x = 54,939,153,898,618,504/217,620,418.40
  6. Step 6: Final answer
    x = 252,454,040.40

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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.