Home / 129,175,345,810.40-193,763,018,715.60-127,433,919,941.60

Finding the Fourth Proportional to 129,175,345,810.40, 193,763,018,715.60 and 127,433,919,941.60

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Solution

The fourth proportional to 129,175,345,810.40, 193,763,018,715.60 and 127,433,919,941.60 is: 191,150,879,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,175,345,810.40 : 193,763,018,715.60 = 127,433,919,941.60 : x
  2. Step 2: Convert to fraction form
    129,175,345,810.40/193,763,018,715.60 = 127,433,919,941.60/x
  3. Step 3: Cross multiply
    129,175,345,810.40x = 193,763,018,715.60 × 127,433,919,941.60
  4. Step 4: Simplify right side
    129,175,345,810.40x = 24,691,981,014,646,516,613,120
  5. Step 5: Solve for x
    x = 24,691,981,014,646,516,613,120/129,175,345,810.40
  6. Step 6: Final answer
    x = 191,150,879,912.40

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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.