Home / 217,620,354.40-326,430,531.60-168,302,629.60

Finding the Fourth Proportional to 217,620,354.40, 326,430,531.60 and 168,302,629.60

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Solution

The fourth proportional to 217,620,354.40, 326,430,531.60 and 168,302,629.60 is: 252,453,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,620,354.40 : 326,430,531.60 = 168,302,629.60 : x
  2. Step 2: Convert to fraction form
    217,620,354.40/326,430,531.60 = 168,302,629.60/x
  3. Step 3: Cross multiply
    217,620,354.40x = 326,430,531.60 × 168,302,629.60
  4. Step 4: Simplify right side
    217,620,354.40x = 54,939,116,850,005,896
  5. Step 5: Solve for x
    x = 54,939,116,850,005,896/217,620,354.40
  6. Step 6: Final answer
    x = 252,453,944.40

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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.