Home / 313,670,636.80-470,505,955.20-109,130,732.80

Finding the Fourth Proportional to 313,670,636.80, 470,505,955.20 and 109,130,732.80

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Solution

The fourth proportional to 313,670,636.80, 470,505,955.20 and 109,130,732.80 is: 163,696,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,636.80 : 470,505,955.20 = 109,130,732.80 : x
  2. Step 2: Convert to fraction form
    313,670,636.80/470,505,955.20 = 109,130,732.80/x
  3. Step 3: Cross multiply
    313,670,636.80x = 470,505,955.20 × 109,130,732.80
  4. Step 4: Simplify right side
    313,670,636.80x = 51,346,659,677,739,968
  5. Step 5: Solve for x
    x = 51,346,659,677,739,968/313,670,636.80
  6. Step 6: Final answer
    x = 163,696,099.20

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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.