Finding the Fourth Proportional to 84,820,143.68, 117,048,724.80 and 51,835,575.68
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Solution
The fourth proportional to 84,820,143.68, 117,048,724.80 and 51,835,575.68 is: 71,531,216.16
Step by Step Solution
- Step 1: Write the proportion equation
84,820,143.68 : 117,048,724.80 = 51,835,575.68 : x - Step 2: Convert to fraction form
84,820,143.68/117,048,724.80 = 51,835,575.68/x - Step 3: Cross multiply
84,820,143.68x = 117,048,724.80 × 51,835,575.68 - Step 4: Simplify right side
84,820,143.68x = 6,067,288,032,617,893 - Step 5: Solve for x
x = 6,067,288,032,617,893/84,820,143.68 - Step 6: Final answer
x = 71,531,216.16
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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.