Finding the Fourth Proportional to 64,521,395.44, 88,979,711.16 and 47,090,130.64
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Solution
The fourth proportional to 64,521,395.44, 88,979,711.16 and 47,090,130.64 is: 64,940,725.39
Step by Step Solution
- Step 1: Write the proportion equation
64,521,395.44 : 88,979,711.16 = 47,090,130.64 : x - Step 2: Convert to fraction form
64,521,395.44/88,979,711.16 = 47,090,130.64/x - Step 3: Cross multiply
64,521,395.44x = 88,979,711.16 × 47,090,130.64 - Step 4: Simplify right side
64,521,395.44x = 4,190,066,222,833,866 - Step 5: Solve for x
x = 4,190,066,222,833,866/64,521,395.44 - Step 6: Final answer
x = 64,940,725.39
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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.