Home / 117,067,126,028.50-161,552,633,903.67-66,318,068,692.18

Finding the Fourth Proportional to 117,067,126,028.50, 161,552,633,903.67 and 66,318,068,692.18

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Solution

The fourth proportional to 117,067,126,028.50, 161,552,633,903.67 and 66,318,068,692.18 is: 91,518,934,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067,126,028.50 : 161,552,633,903.67 = 66,318,068,692.18 : x
  2. Step 2: Convert to fraction form
    117,067,126,028.50/161,552,633,903.67 = 66,318,068,692.18/x
  3. Step 3: Cross multiply
    117,067,126,028.50x = 161,552,633,903.67 × 66,318,068,692.18
  4. Step 4: Simplify right side
    117,067,126,028.50x = 10,713,858,672,626,195,496,960
  5. Step 5: Solve for x
    x = 10,713,858,672,626,195,496,960/117,067,126,028.50
  6. Step 6: Final answer
    x = 91,518,934,786.34

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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.