Home / 189,448,771.16-261,436,544.58-105,818,091.80

Finding the Fourth Proportional to 189,448,771.16, 261,436,544.58 and 105,818,091.80

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Solution

The fourth proportional to 189,448,771.16, 261,436,544.58 and 105,818,091.80 is: 146,027,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448,771.16 : 261,436,544.58 = 105,818,091.80 : x
  2. Step 2: Convert to fraction form
    189,448,771.16/261,436,544.58 = 105,818,091.80/x
  3. Step 3: Cross multiply
    189,448,771.16x = 261,436,544.58 × 105,818,091.80
  4. Step 4: Simplify right side
    189,448,771.16x = 27,664,716,274,241,232
  5. Step 5: Solve for x
    x = 27,664,716,274,241,232/189,448,771.16
  6. Step 6: Final answer
    x = 146,027,425.28

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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.