Home / 198,322,182.80-297,483,274.20-120,723,923.60

Finding the Fourth Proportional to 198,322,182.80, 297,483,274.20 and 120,723,923.60

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Solution

The fourth proportional to 198,322,182.80, 297,483,274.20 and 120,723,923.60 is: 181,085,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,322,182.80 : 297,483,274.20 = 120,723,923.60 : x
  2. Step 2: Convert to fraction form
    198,322,182.80/297,483,274.20 = 120,723,923.60/x
  3. Step 3: Cross multiply
    198,322,182.80x = 297,483,274.20 × 120,723,923.60
  4. Step 4: Simplify right side
    198,322,182.80x = 35,913,348,066,798,648
  5. Step 5: Solve for x
    x = 35,913,348,066,798,648/198,322,182.80
  6. Step 6: Final answer
    x = 181,085,885.40

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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.