Finding the Fourth Proportional to 49,340,590.35, 68,090,820.80 and 27,013,203.87
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Solution
The fourth proportional to 49,340,590.35, 68,090,820.80 and 27,013,203.87 is: 37,278,662.67
Step by Step Solution
- Step 1: Write the proportion equation
49,340,590.35 : 68,090,820.80 = 27,013,203.87 : x - Step 2: Convert to fraction form
49,340,590.35/68,090,820.80 = 27,013,203.87/x - Step 3: Cross multiply
49,340,590.35x = 68,090,820.80 × 27,013,203.87 - Step 4: Simplify right side
49,340,590.35x = 1,839,351,223,810,970.50 - Step 5: Solve for x
x = 1,839,351,223,810,970.50/49,340,590.35 - Step 6: Final answer
x = 37,278,662.67
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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.