Home / 152,231,976-210,080,236.32-82,617,338.88

Finding the Fourth Proportional to 152,231,976, 210,080,236.32 and 82,617,338.88

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Solution

The fourth proportional to 152,231,976, 210,080,236.32 and 82,617,338.88 is: 114,011,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,231,976 : 210,080,236.32 = 82,617,338.88 : x
  2. Step 2: Convert to fraction form
    152,231,976/210,080,236.32 = 82,617,338.88/x
  3. Step 3: Cross multiply
    152,231,976x = 210,080,236.32 × 82,617,338.88
  4. Step 4: Simplify right side
    152,231,976x = 17,356,270,076,039,922
  5. Step 5: Solve for x
    x = 17,356,270,076,039,922/152,231,976
  6. Step 6: Final answer
    x = 114,011,987.05

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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.