Home / 213,576,934.84-320,396,101.99-66,036,000.89

Finding the Fourth Proportional to 213,576,934.84, 320,396,101.99 and 66,036,000.89

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Solution

The fourth proportional to 213,576,934.84, 320,396,101.99 and 66,036,000.89 is: 99,063,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,576,934.84 : 320,396,101.99 = 66,036,000.89 : x
  2. Step 2: Convert to fraction form
    213,576,934.84/320,396,101.99 = 66,036,000.89/x
  3. Step 3: Cross multiply
    213,576,934.84x = 320,396,101.99 × 66,036,000.89
  4. Step 4: Simplify right side
    213,576,934.84x = 21,157,677,276,800,072
  5. Step 5: Solve for x
    x = 21,157,677,276,800,072/213,576,934.84
  6. Step 6: Final answer
    x = 99,063,493.41

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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.