Home / 193,087,302.80-289,630,954.20-115,489,043.60

Finding the Fourth Proportional to 193,087,302.80, 289,630,954.20 and 115,489,043.60

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Solution

The fourth proportional to 193,087,302.80, 289,630,954.20 and 115,489,043.60 is: 173,233,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,302.80 : 289,630,954.20 = 115,489,043.60 : x
  2. Step 2: Convert to fraction form
    193,087,302.80/289,630,954.20 = 115,489,043.60/x
  3. Step 3: Cross multiply
    193,087,302.80x = 289,630,954.20 × 115,489,043.60
  4. Step 4: Simplify right side
    193,087,302.80x = 33,449,201,897,513,400
  5. Step 5: Solve for x
    x = 33,449,201,897,513,400/193,087,302.80
  6. Step 6: Final answer
    x = 173,233,565.40

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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.