Home / 186,324,689.88-257,129,091.72-108,054,649.56

Finding the Fourth Proportional to 186,324,689.88, 257,129,091.72 and 108,054,649.56

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Solution

The fourth proportional to 186,324,689.88, 257,129,091.72 and 108,054,649.56 is: 149,116,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324,689.88 : 257,129,091.72 = 108,054,649.56 : x
  2. Step 2: Convert to fraction form
    186,324,689.88/257,129,091.72 = 108,054,649.56/x
  3. Step 3: Cross multiply
    186,324,689.88x = 257,129,091.72 × 108,054,649.56
  4. Step 4: Simplify right side
    186,324,689.88x = 27,783,993,897,485,700
  5. Step 5: Solve for x
    x = 27,783,993,897,485,700/186,324,689.88
  6. Step 6: Final answer
    x = 149,116,007.74

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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.