Home / 72,184,647,839.66-99,625,173,028.59-43,249,980,427.46

Finding the Fourth Proportional to 72,184,647,839.66, 99,625,173,028.59 and 43,249,980,427.46

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Solution

The fourth proportional to 72,184,647,839.66, 99,625,173,028.59 and 43,249,980,427.46 is: 59,691,179,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,647,839.66 : 99,625,173,028.59 = 43,249,980,427.46 : x
  2. Step 2: Convert to fraction form
    72,184,647,839.66/99,625,173,028.59 = 43,249,980,427.46/x
  3. Step 3: Cross multiply
    72,184,647,839.66x = 99,625,173,028.59 × 43,249,980,427.46
  4. Step 4: Simplify right side
    72,184,647,839.66x = 4,308,786,783,568,633,790,464
  5. Step 5: Solve for x
    x = 4,308,786,783,568,633,790,464/72,184,647,839.66
  6. Step 6: Final answer
    x = 59,691,179,669.39

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1.5x scale

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.