Home / 134,839,189.58-186,009,529.44-81,901,810.22

Finding the Fourth Proportional to 134,839,189.58, 186,009,529.44 and 81,901,810.22

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Solution

The fourth proportional to 134,839,189.58, 186,009,529.44 and 81,901,810.22 is: 112,982,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,839,189.58 : 186,009,529.44 = 81,901,810.22 : x
  2. Step 2: Convert to fraction form
    134,839,189.58/186,009,529.44 = 81,901,810.22/x
  3. Step 3: Cross multiply
    134,839,189.58x = 186,009,529.44 × 81,901,810.22
  4. Step 4: Simplify right side
    134,839,189.58x = 15,234,517,179,306,382
  5. Step 5: Solve for x
    x = 15,234,517,179,306,382/134,839,189.58
  6. Step 6: Final answer
    x = 112,982,859.26

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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.