Home / 98,354,284.74-135,740,814.82-55,978,147.26

Finding the Fourth Proportional to 98,354,284.74, 135,740,814.82 and 55,978,147.26

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Solution

The fourth proportional to 98,354,284.74, 135,740,814.82 and 55,978,147.26 is: 77,256,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354,284.74 : 135,740,814.82 = 55,978,147.26 : x
  2. Step 2: Convert to fraction form
    98,354,284.74/135,740,814.82 = 55,978,147.26/x
  3. Step 3: Cross multiply
    98,354,284.74x = 135,740,814.82 × 55,978,147.26
  4. Step 4: Simplify right side
    98,354,284.74x = 7,598,519,321,186,350
  5. Step 5: Solve for x
    x = 7,598,519,321,186,350/98,354,284.74
  6. Step 6: Final answer
    x = 77,256,617.15

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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.