Home / 313,670,556.80-470,505,835.20-109,130,652.80

Finding the Fourth Proportional to 313,670,556.80, 470,505,835.20 and 109,130,652.80

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Solution

The fourth proportional to 313,670,556.80, 470,505,835.20 and 109,130,652.80 is: 163,695,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,556.80 : 470,505,835.20 = 109,130,652.80 : x
  2. Step 2: Convert to fraction form
    313,670,556.80/470,505,835.20 = 109,130,652.80/x
  3. Step 3: Cross multiply
    313,670,556.80x = 470,505,835.20 × 109,130,652.80
  4. Step 4: Simplify right side
    313,670,556.80x = 51,346,608,941,585,216
  5. Step 5: Solve for x
    x = 51,346,608,941,585,216/313,670,556.80
  6. Step 6: Final answer
    x = 163,695,979.20

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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.