Home / 293,204,441.80-439,806,662.70-111,428,000.20

Finding the Fourth Proportional to 293,204,441.80, 439,806,662.70 and 111,428,000.20

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Solution

The fourth proportional to 293,204,441.80, 439,806,662.70 and 111,428,000.20 is: 167,142,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,204,441.80 : 439,806,662.70 = 111,428,000.20 : x
  2. Step 2: Convert to fraction form
    293,204,441.80/439,806,662.70 = 111,428,000.20/x
  3. Step 3: Cross multiply
    293,204,441.80x = 439,806,662.70 × 111,428,000.20
  4. Step 4: Simplify right side
    293,204,441.80x = 49,006,776,899,296,936
  5. Step 5: Solve for x
    x = 49,006,776,899,296,936/293,204,441.80
  6. Step 6: Final answer
    x = 167,142,000.30

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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.