Home / 54,605,097,722.80-81,907,646,584.20-42,207,642,074.80

Finding the Fourth Proportional to 54,605,097,722.80, 81,907,646,584.20 and 42,207,642,074.80

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Solution

The fourth proportional to 54,605,097,722.80, 81,907,646,584.20 and 42,207,642,074.80 is: 63,311,463,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605,097,722.80 : 81,907,646,584.20 = 42,207,642,074.80 : x
  2. Step 2: Convert to fraction form
    54,605,097,722.80/81,907,646,584.20 = 42,207,642,074.80/x
  3. Step 3: Cross multiply
    54,605,097,722.80x = 81,907,646,584.20 × 42,207,642,074.80
  4. Step 4: Simplify right side
    54,605,097,722.80x = 3,457,128,630,215,128,383,488
  5. Step 5: Solve for x
    x = 3,457,128,630,215,128,383,488/54,605,097,722.80
  6. Step 6: Final answer
    x = 63,311,463,112.20

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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.