Home / 154,741,426.40-213,544,940.64-88,660,600.48

Finding the Fourth Proportional to 154,741,426.40, 213,544,940.64 and 88,660,600.48

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Solution

The fourth proportional to 154,741,426.40, 213,544,940.64 and 88,660,600.48 is: 122,352,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,741,426.40 : 213,544,940.64 = 88,660,600.48 : x
  2. Step 2: Convert to fraction form
    154,741,426.40/213,544,940.64 = 88,660,600.48/x
  3. Step 3: Cross multiply
    154,741,426.40x = 213,544,940.64 × 88,660,600.48
  4. Step 4: Simplify right side
    154,741,426.40x = 18,933,022,666,608,356
  5. Step 5: Solve for x
    x = 18,933,022,666,608,356/154,741,426.40
  6. Step 6: Final answer
    x = 122,352,644.07

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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.