Home / 91,899,405,868.72-126,821,185,396.32-49,656,223,660.72

Finding the Fourth Proportional to 91,899,405,868.72, 126,821,185,396.32 and 49,656,223,660.72

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Solution

The fourth proportional to 91,899,405,868.72, 126,821,185,396.32 and 49,656,223,660.72 is: 68,525,591,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899,405,868.72 : 126,821,185,396.32 = 49,656,223,660.72 : x
  2. Step 2: Convert to fraction form
    91,899,405,868.72/126,821,185,396.32 = 49,656,223,660.72/x
  3. Step 3: Cross multiply
    91,899,405,868.72x = 126,821,185,396.32 × 49,656,223,660.72
  4. Step 4: Simplify right side
    91,899,405,868.72x = 6,297,461,146,957,302,988,800
  5. Step 5: Solve for x
    x = 6,297,461,146,957,302,988,800/91,899,405,868.72
  6. Step 6: Final answer
    x = 68,525,591,514.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.