Home / 217,740,343.60-326,610,515.40-125,907,338.80

Finding the Fourth Proportional to 217,740,343.60, 326,610,515.40 and 125,907,338.80

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Solution

The fourth proportional to 217,740,343.60, 326,610,515.40 and 125,907,338.80 is: 188,861,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740,343.60 : 326,610,515.40 = 125,907,338.80 : x
  2. Step 2: Convert to fraction form
    217,740,343.60/326,610,515.40 = 125,907,338.80/x
  3. Step 3: Cross multiply
    217,740,343.60x = 326,610,515.40 × 125,907,338.80
  4. Step 4: Simplify right side
    217,740,343.60x = 41,122,660,818,110,416
  5. Step 5: Solve for x
    x = 41,122,660,818,110,416/217,740,343.60
  6. Step 6: Final answer
    x = 188,861,008.20

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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.