Home / 263,090,019.32-394,455,662.56-133,447,643.36

Finding the Fourth Proportional to 263,090,019.32, 394,455,662.56 and 133,447,643.36

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Solution

The fourth proportional to 263,090,019.32, 394,455,662.56 and 133,447,643.36 is: 200,080,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,090,019.32 : 394,455,662.56 = 133,447,643.36 : x
  2. Step 2: Convert to fraction form
    263,090,019.32/394,455,662.56 = 133,447,643.36/x
  3. Step 3: Cross multiply
    263,090,019.32x = 394,455,662.56 × 133,447,643.36
  4. Step 4: Simplify right side
    263,090,019.32x = 52,639,178,578,639,384
  5. Step 5: Solve for x
    x = 52,639,178,578,639,384/263,090,019.32
  6. Step 6: Final answer
    x = 200,080,484.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.