Home / 217,819,932.40-326,729,898.60-168,502,207.60

Finding the Fourth Proportional to 217,819,932.40, 326,729,898.60 and 168,502,207.60

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Solution

The fourth proportional to 217,819,932.40, 326,729,898.60 and 168,502,207.60 is: 252,753,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819,932.40 : 326,729,898.60 = 168,502,207.60 : x
  2. Step 2: Convert to fraction form
    217,819,932.40/326,729,898.60 = 168,502,207.60/x
  3. Step 3: Cross multiply
    217,819,932.40x = 326,729,898.60 × 168,502,207.60
  4. Step 4: Simplify right side
    217,819,932.40x = 55,054,709,203,024,152
  5. Step 5: Solve for x
    x = 55,054,709,203,024,152/217,819,932.40
  6. Step 6: Final answer
    x = 252,753,311.40

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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.