Home / 209,952,556.80-314,928,835.20-196,515,628.80

Finding the Fourth Proportional to 209,952,556.80, 314,928,835.20 and 196,515,628.80

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Solution

The fourth proportional to 209,952,556.80, 314,928,835.20 and 196,515,628.80 is: 294,773,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,556.80 : 314,928,835.20 = 196,515,628.80 : x
  2. Step 2: Convert to fraction form
    209,952,556.80/314,928,835.20 = 196,515,628.80/x
  3. Step 3: Cross multiply
    209,952,556.80x = 314,928,835.20 × 196,515,628.80
  4. Step 4: Simplify right side
    209,952,556.80x = 61,888,438,076,579,576
  5. Step 5: Solve for x
    x = 61,888,438,076,579,576/209,952,556.80
  6. Step 6: Final answer
    x = 294,773,443.20

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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.