Home / 313,372,911.80-470,213,850.90-140,971,734.20

Finding the Fourth Proportional to 313,372,911.80, 470,213,850.90 and 140,971,734.20

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Solution

The fourth proportional to 313,372,911.80, 470,213,850.90 and 140,971,734.20 is: 211,527,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,372,911.80 : 470,213,850.90 = 140,971,734.20 : x
  2. Step 2: Convert to fraction form
    313,372,911.80/470,213,850.90 = 140,971,734.20/x
  3. Step 3: Cross multiply
    313,372,911.80x = 470,213,850.90 × 140,971,734.20
  4. Step 4: Simplify right side
    313,372,911.80x = 66,286,862,006,233,224
  5. Step 5: Solve for x
    x = 66,286,862,006,233,224/313,372,911.80
  6. Step 6: Final answer
    x = 211,527,096.03

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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.