Home / 131,010,048,014.40-196,515,072,021.60-47,176,718,299.20

Finding the Fourth Proportional to 131,010,048,014.40, 196,515,072,021.60 and 47,176,718,299.20

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Solution

The fourth proportional to 131,010,048,014.40, 196,515,072,021.60 and 47,176,718,299.20 is: 70,765,077,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,010,048,014.40 : 196,515,072,021.60 = 47,176,718,299.20 : x
  2. Step 2: Convert to fraction form
    131,010,048,014.40/196,515,072,021.60 = 47,176,718,299.20/x
  3. Step 3: Cross multiply
    131,010,048,014.40x = 196,515,072,021.60 × 47,176,718,299.20
  4. Step 4: Simplify right side
    131,010,048,014.40x = 9,270,936,194,310,021,840,896
  5. Step 5: Solve for x
    x = 9,270,936,194,310,021,840,896/131,010,048,014.40
  6. Step 6: Final answer
    x = 70,765,077,448.80

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Double scale
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Similar ratio
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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.