Finding the Fourth Proportional to 146,978,730.08, 202,817,464.08 and 85,103,244.80
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Solution
The fourth proportional to 146,978,730.08, 202,817,464.08 and 85,103,244.80 is: 117,434,844.39
Step by Step Solution
- Step 1: Write the proportion equation
146,978,730.08 : 202,817,464.08 = 85,103,244.80 : x - Step 2: Convert to fraction form
146,978,730.08/202,817,464.08 = 85,103,244.80/x - Step 3: Cross multiply
146,978,730.08x = 202,817,464.08 × 85,103,244.80 - Step 4: Simplify right side
146,978,730.08x = 17,260,424,295,315,448 - Step 5: Solve for x
x = 17,260,424,295,315,448/146,978,730.08 - Step 6: Final answer
x = 117,434,844.39
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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.