Home / 193,848,716.40-290,381,164.20-120,841,407.60

Finding the Fourth Proportional to 193,848,716.40, 290,381,164.20 and 120,841,407.60

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Solution

The fourth proportional to 193,848,716.40, 290,381,164.20 and 120,841,407.60 is: 181,017,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,848,716.40 : 290,381,164.20 = 120,841,407.60 : x
  2. Step 2: Convert to fraction form
    193,848,716.40/290,381,164.20 = 120,841,407.60/x
  3. Step 3: Cross multiply
    193,848,716.40x = 290,381,164.20 × 120,841,407.60
  4. Step 4: Simplify right side
    193,848,716.40x = 35,090,068,622,454,724
  5. Step 5: Solve for x
    x = 35,090,068,622,454,724/193,848,716.40
  6. Step 6: Final answer
    x = 181,017,802.31

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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.