Home / 205,105,836.36-307,659,543.39-49,659,385.38

Finding the Fourth Proportional to 205,105,836.36, 307,659,543.39 and 49,659,385.38

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Solution

The fourth proportional to 205,105,836.36, 307,659,543.39 and 49,659,385.38 is: 74,489,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,105,836.36 : 307,659,543.39 = 49,659,385.38 : x
  2. Step 2: Convert to fraction form
    205,105,836.36/307,659,543.39 = 49,659,385.38/x
  3. Step 3: Cross multiply
    205,105,836.36x = 307,659,543.39 × 49,659,385.38
  4. Step 4: Simplify right side
    205,105,836.36x = 15,278,183,831,038,842
  5. Step 5: Solve for x
    x = 15,278,183,831,038,842/205,105,836.36
  6. Step 6: Final answer
    x = 74,489,269.06

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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.