Home / 326,320,172.20-489,480,258.30-110,909,420.20

Finding the Fourth Proportional to 326,320,172.20, 489,480,258.30 and 110,909,420.20

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Solution

The fourth proportional to 326,320,172.20, 489,480,258.30 and 110,909,420.20 is: 166,364,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,320,172.20 : 489,480,258.30 = 110,909,420.20 : x
  2. Step 2: Convert to fraction form
    326,320,172.20/489,480,258.30 = 110,909,420.20/x
  3. Step 3: Cross multiply
    326,320,172.20x = 489,480,258.30 × 110,909,420.20
  4. Step 4: Simplify right side
    326,320,172.20x = 54,287,971,647,399,240
  5. Step 5: Solve for x
    x = 54,287,971,647,399,240/326,320,172.20
  6. Step 6: Final answer
    x = 166,364,130.30

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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.