Home / 313,670,525.80-470,505,788.70-109,130,621.80

Finding the Fourth Proportional to 313,670,525.80, 470,505,788.70 and 109,130,621.80

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Solution

The fourth proportional to 313,670,525.80, 470,505,788.70 and 109,130,621.80 is: 163,695,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,525.80 : 470,505,788.70 = 109,130,621.80 : x
  2. Step 2: Convert to fraction form
    313,670,525.80/470,505,788.70 = 109,130,621.80/x
  3. Step 3: Cross multiply
    313,670,525.80x = 470,505,788.70 × 109,130,621.80
  4. Step 4: Simplify right side
    313,670,525.80x = 51,346,589,281,330,408
  5. Step 5: Solve for x
    x = 51,346,589,281,330,408/313,670,525.80
  6. Step 6: Final answer
    x = 163,695,932.70

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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.