Home / 313,670,517.80-470,505,776.70-109,130,613.80

Finding the Fourth Proportional to 313,670,517.80, 470,505,776.70 and 109,130,613.80

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Solution

The fourth proportional to 313,670,517.80, 470,505,776.70 and 109,130,613.80 is: 163,695,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,517.80 : 470,505,776.70 = 109,130,613.80 : x
  2. Step 2: Convert to fraction form
    313,670,517.80/470,505,776.70 = 109,130,613.80/x
  3. Step 3: Cross multiply
    313,670,517.80x = 470,505,776.70 × 109,130,613.80
  4. Step 4: Simplify right side
    313,670,517.80x = 51,346,584,207,716,736
  5. Step 5: Solve for x
    x = 51,346,584,207,716,736/313,670,517.80
  6. Step 6: Final answer
    x = 163,695,920.70

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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.