Home / 144,193,979.36-199,251,645.04-104,967,654.86

Finding the Fourth Proportional to 144,193,979.36, 199,251,645.04 and 104,967,654.86

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Solution

The fourth proportional to 144,193,979.36, 199,251,645.04 and 104,967,654.86 is: 145,047,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,193,979.36 : 199,251,645.04 = 104,967,654.86 : x
  2. Step 2: Convert to fraction form
    144,193,979.36/199,251,645.04 = 104,967,654.86/x
  3. Step 3: Cross multiply
    144,193,979.36x = 199,251,645.04 × 104,967,654.86
  4. Step 4: Simplify right side
    144,193,979.36x = 20,914,977,906,845,948
  5. Step 5: Solve for x
    x = 20,914,977,906,845,948/144,193,979.36
  6. Step 6: Final answer
    x = 145,047,511.69

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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.