Home / 123,211,090.26-170,033,309.73-67,455,569.70

Finding the Fourth Proportional to 123,211,090.26, 170,033,309.73 and 67,455,569.70

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Solution

The fourth proportional to 123,211,090.26, 170,033,309.73 and 67,455,569.70 is: 93,089,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,211,090.26 : 170,033,309.73 = 67,455,569.70 : x
  2. Step 2: Convert to fraction form
    123,211,090.26/170,033,309.73 = 67,455,569.70/x
  3. Step 3: Cross multiply
    123,211,090.26x = 170,033,309.73 × 67,455,569.70
  4. Step 4: Simplify right side
    123,211,090.26x = 11,469,693,775,813,702
  5. Step 5: Solve for x
    x = 11,469,693,775,813,702/123,211,090.26
  6. Step 6: Final answer
    x = 93,089,783.98

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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.