Home / 313,670,515.30-470,505,772.95-109,130,611.30

Finding the Fourth Proportional to 313,670,515.30, 470,505,772.95 and 109,130,611.30

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Solution

The fourth proportional to 313,670,515.30, 470,505,772.95 and 109,130,611.30 is: 163,695,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,515.30 : 470,505,772.95 = 109,130,611.30 : x
  2. Step 2: Convert to fraction form
    313,670,515.30/470,505,772.95 = 109,130,611.30/x
  3. Step 3: Cross multiply
    313,670,515.30x = 470,505,772.95 × 109,130,611.30
  4. Step 4: Simplify right side
    313,670,515.30x = 51,346,582,622,212,504
  5. Step 5: Solve for x
    x = 51,346,582,622,212,504/313,670,515.30
  6. Step 6: Final answer
    x = 163,695,916.95

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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.