Home / 57,617,564.76-79,511,121.18-31,511,999.16

Finding the Fourth Proportional to 57,617,564.76, 79,511,121.18 and 31,511,999.16

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Solution

The fourth proportional to 57,617,564.76, 79,511,121.18 and 31,511,999.16 is: 43,485,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617,564.76 : 79,511,121.18 = 31,511,999.16 : x
  2. Step 2: Convert to fraction form
    57,617,564.76/79,511,121.18 = 31,511,999.16/x
  3. Step 3: Cross multiply
    57,617,564.76x = 79,511,121.18 × 31,511,999.16
  4. Step 4: Simplify right side
    57,617,564.76x = 2,505,554,383,834,818.50
  5. Step 5: Solve for x
    x = 2,505,554,383,834,818.50/57,617,564.76
  6. Step 6: Final answer
    x = 43,485,947.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.