Home / 190,960,544.22-263,317,016.79-128,973,264.54

Finding the Fourth Proportional to 190,960,544.22, 263,317,016.79 and 128,973,264.54

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Solution

The fourth proportional to 190,960,544.22, 263,317,016.79 and 128,973,264.54 is: 177,842,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,960,544.22 : 263,317,016.79 = 128,973,264.54 : x
  2. Step 2: Convert to fraction form
    190,960,544.22/263,317,016.79 = 128,973,264.54/x
  3. Step 3: Cross multiply
    190,960,544.22x = 263,317,016.79 × 128,973,264.54
  4. Step 4: Simplify right side
    190,960,544.22x = 33,960,855,264,340,292
  5. Step 5: Solve for x
    x = 33,960,855,264,340,292/190,960,544.22
  6. Step 6: Final answer
    x = 177,842,262.67

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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.