Home / 313,670,538.80-470,505,808.20-109,130,634.80

Finding the Fourth Proportional to 313,670,538.80, 470,505,808.20 and 109,130,634.80

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Solution

The fourth proportional to 313,670,538.80, 470,505,808.20 and 109,130,634.80 is: 163,695,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,538.80 : 470,505,808.20 = 109,130,634.80 : x
  2. Step 2: Convert to fraction form
    313,670,538.80/470,505,808.20 = 109,130,634.80/x
  3. Step 3: Cross multiply
    313,670,538.80x = 470,505,808.20 × 109,130,634.80
  4. Step 4: Simplify right side
    313,670,538.80x = 51,346,597,525,953,040
  5. Step 5: Solve for x
    x = 51,346,597,525,953,040/313,670,538.80
  6. Step 6: Final answer
    x = 163,695,952.20

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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.