Finding the Fourth Proportional to 49,340,588.48, 68,090,818.44 and 27,013,202.12
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Solution
The fourth proportional to 49,340,588.48, 68,090,818.44 and 27,013,202.12 is: 37,278,660.38
Step by Step Solution
- Step 1: Write the proportion equation
49,340,588.48 : 68,090,818.44 = 27,013,202.12 : x - Step 2: Convert to fraction form
49,340,588.48/68,090,818.44 = 27,013,202.12/x - Step 3: Cross multiply
49,340,588.48x = 68,090,818.44 × 27,013,202.12 - Step 4: Simplify right side
49,340,588.48x = 1,839,351,041,035,943 - Step 5: Solve for x
x = 1,839,351,041,035,943/49,340,588.48 - Step 6: Final answer
x = 37,278,660.38
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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.