Home / 222,457,540.80-333,686,311.20-213,387,614.40

Finding the Fourth Proportional to 222,457,540.80, 333,686,311.20 and 213,387,614.40

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Solution

The fourth proportional to 222,457,540.80, 333,686,311.20 and 213,387,614.40 is: 320,081,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,457,540.80 : 333,686,311.20 = 213,387,614.40 : x
  2. Step 2: Convert to fraction form
    222,457,540.80/333,686,311.20 = 213,387,614.40/x
  3. Step 3: Cross multiply
    222,457,540.80x = 333,686,311.20 × 213,387,614.40
  4. Step 4: Simplify right side
    222,457,540.80x = 71,204,525,904,904,000
  5. Step 5: Solve for x
    x = 71,204,525,904,904,000/222,457,540.80
  6. Step 6: Final answer
    x = 320,081,421.60

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1.5x scale

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.