Finding the Fourth Proportional to 205,055,612.09, 307,584,216.13 and 49,609,170.64
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Solution
The fourth proportional to 205,055,612.09, 307,584,216.13 and 49,609,170.64 is: 74,413,949.02
Step by Step Solution
- Step 1: Write the proportion equation
205,055,612.09 : 307,584,216.13 = 49,609,170.64 : x - Step 2: Convert to fraction form
205,055,612.09/307,584,216.13 = 49,609,170.64/x - Step 3: Cross multiply
205,055,612.09x = 307,584,216.13 × 49,609,170.64 - Step 4: Simplify right side
205,055,612.09x = 15,258,997,864,163,810 - Step 5: Solve for x
x = 15,258,997,864,163,810/205,055,612.09 - Step 6: Final answer
x = 74,413,949.02
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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.