Home / 213,576,932.97-320,396,099.18-66,035,999.01

Finding the Fourth Proportional to 213,576,932.97, 320,396,099.18 and 66,035,999.01

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Solution

The fourth proportional to 213,576,932.97, 320,396,099.18 and 66,035,999.01 is: 99,063,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,576,932.97 : 320,396,099.18 = 66,035,999.01 : x
  2. Step 2: Convert to fraction form
    213,576,932.97/320,396,099.18 = 66,035,999.01/x
  3. Step 3: Cross multiply
    213,576,932.97x = 320,396,099.18 × 66,035,999.01
  4. Step 4: Simplify right side
    213,576,932.97x = 21,157,676,487,928,160
  5. Step 5: Solve for x
    x = 21,157,676,487,928,160/213,576,932.97
  6. Step 6: Final answer
    x = 99,063,490.58

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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.