Home / 146,778,911.80-220,168,367.70-130,906,540.60

Finding the Fourth Proportional to 146,778,911.80, 220,168,367.70 and 130,906,540.60

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Solution

The fourth proportional to 146,778,911.80, 220,168,367.70 and 130,906,540.60 is: 196,359,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,778,911.80 : 220,168,367.70 = 130,906,540.60 : x
  2. Step 2: Convert to fraction form
    146,778,911.80/220,168,367.70 = 130,906,540.60/x
  3. Step 3: Cross multiply
    146,778,911.80x = 220,168,367.70 × 130,906,540.60
  4. Step 4: Simplify right side
    146,778,911.80x = 28,821,479,365,155,776
  5. Step 5: Solve for x
    x = 28,821,479,365,155,776/146,778,911.80
  6. Step 6: Final answer
    x = 196,359,810.90

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1.5x scale

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.