Home / 79,052,064,425.58-109,088,789,218.11-42,922,269,917.21

Finding the Fourth Proportional to 79,052,064,425.58, 109,088,789,218.11 and 42,922,269,917.21

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Solution

The fourth proportional to 79,052,064,425.58, 109,088,789,218.11 and 42,922,269,917.21 is: 59,231,071,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,052,064,425.58 : 109,088,789,218.11 = 42,922,269,917.21 : x
  2. Step 2: Convert to fraction form
    79,052,064,425.58/109,088,789,218.11 = 42,922,269,917.21/x
  3. Step 3: Cross multiply
    79,052,064,425.58x = 109,088,789,218.11 × 42,922,269,917.21
  4. Step 4: Simplify right side
    79,052,064,425.58x = 4,682,338,455,760,800,317,440
  5. Step 5: Solve for x
    x = 4,682,338,455,760,800,317,440/79,052,064,425.58
  6. Step 6: Final answer
    x = 59,231,071,190.67

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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.