Home / 81,905,965,357.78-122,858,948,036.67-23,018,051,029.78

Finding the Fourth Proportional to 81,905,965,357.78, 122,858,948,036.67 and 23,018,051,029.78

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Solution

The fourth proportional to 81,905,965,357.78, 122,858,948,036.67 and 23,018,051,029.78 is: 34,527,076,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,905,965,357.78 : 122,858,948,036.67 = 23,018,051,029.78 : x
  2. Step 2: Convert to fraction form
    81,905,965,357.78/122,858,948,036.67 = 23,018,051,029.78/x
  3. Step 3: Cross multiply
    81,905,965,357.78x = 122,858,948,036.67 × 23,018,051,029.78
  4. Step 4: Simplify right side
    81,905,965,357.78x = 2,827,973,535,373,159,038,976
  5. Step 5: Solve for x
    x = 2,827,973,535,373,159,038,976/81,905,965,357.78
  6. Step 6: Final answer
    x = 34,527,076,544.67

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Double scale
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Similar ratio
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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.