Home / 217,819,352.40-326,729,028.60-168,501,627.60

Finding the Fourth Proportional to 217,819,352.40, 326,729,028.60 and 168,501,627.60

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Solution

The fourth proportional to 217,819,352.40, 326,729,028.60 and 168,501,627.60 is: 252,752,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819,352.40 : 326,729,028.60 = 168,501,627.60 : x
  2. Step 2: Convert to fraction form
    217,819,352.40/326,729,028.60 = 168,501,627.60/x
  3. Step 3: Cross multiply
    217,819,352.40x = 326,729,028.60 × 168,501,627.60
  4. Step 4: Simplify right side
    217,819,352.40x = 55,054,373,103,266,952
  5. Step 5: Solve for x
    x = 55,054,373,103,266,952/217,819,352.40
  6. Step 6: Final answer
    x = 252,752,441.40

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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.