Home / 129,175,345,811.40-193,763,018,717.10-127,433,919,942.60

Finding the Fourth Proportional to 129,175,345,811.40, 193,763,018,717.10 and 127,433,919,942.60

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Solution

The fourth proportional to 129,175,345,811.40, 193,763,018,717.10 and 127,433,919,942.60 is: 191,150,879,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,175,345,811.40 : 193,763,018,717.10 = 127,433,919,942.60 : x
  2. Step 2: Convert to fraction form
    129,175,345,811.40/193,763,018,717.10 = 127,433,919,942.60/x
  3. Step 3: Cross multiply
    129,175,345,811.40x = 193,763,018,717.10 × 127,433,919,942.60
  4. Step 4: Simplify right side
    129,175,345,811.40x = 24,691,981,015,031,427,891,200
  5. Step 5: Solve for x
    x = 24,691,981,015,031,427,891,200/129,175,345,811.40
  6. Step 6: Final answer
    x = 191,150,879,913.90

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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.