Home / 190,220,871.66-262,504,840.96-115,881,428.32

Finding the Fourth Proportional to 190,220,871.66, 262,504,840.96 and 115,881,428.32

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Solution

The fourth proportional to 190,220,871.66, 262,504,840.96 and 115,881,428.32 is: 159,916,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,220,871.66 : 262,504,840.96 = 115,881,428.32 : x
  2. Step 2: Convert to fraction form
    190,220,871.66/262,504,840.96 = 115,881,428.32/x
  3. Step 3: Cross multiply
    190,220,871.66x = 262,504,840.96 × 115,881,428.32
  4. Step 4: Simplify right side
    190,220,871.66x = 30,419,435,911,359,240
  5. Step 5: Solve for x
    x = 30,419,435,911,359,240/190,220,871.66
  6. Step 6: Final answer
    x = 159,916,394.27

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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.