Home / 203,423,340,067.20-305,135,010,100.80-61,931,637,921.60

Finding the Fourth Proportional to 203,423,340,067.20, 305,135,010,100.80 and 61,931,637,921.60

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Solution

The fourth proportional to 203,423,340,067.20, 305,135,010,100.80 and 61,931,637,921.60 is: 92,897,456,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,423,340,067.20 : 305,135,010,100.80 = 61,931,637,921.60 : x
  2. Step 2: Convert to fraction form
    203,423,340,067.20/305,135,010,100.80 = 61,931,637,921.60/x
  3. Step 3: Cross multiply
    203,423,340,067.20x = 305,135,010,100.80 × 61,931,637,921.60
  4. Step 4: Simplify right side
    203,423,340,067.20x = 18,897,510,962,766,502,952,960
  5. Step 5: Solve for x
    x = 18,897,510,962,766,502,952,960/203,423,340,067.20
  6. Step 6: Final answer
    x = 92,897,456,882.40

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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.