Home / 98,354,283.73-135,740,813.43-55,978,146.25

Finding the Fourth Proportional to 98,354,283.73, 135,740,813.43 and 55,978,146.25

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Solution

The fourth proportional to 98,354,283.73, 135,740,813.43 and 55,978,146.25 is: 77,256,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354,283.73 : 135,740,813.43 = 55,978,146.25 : x
  2. Step 2: Convert to fraction form
    98,354,283.73/135,740,813.43 = 55,978,146.25/x
  3. Step 3: Cross multiply
    98,354,283.73x = 135,740,813.43 × 55,978,146.25
  4. Step 4: Simplify right side
    98,354,283.73x = 7,598,519,106,278,505
  5. Step 5: Solve for x
    x = 7,598,519,106,278,505/98,354,283.73
  6. Step 6: Final answer
    x = 77,256,615.76

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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.