Finding the Fourth Proportional to 86,394,415.93, 129,683,843.08 and 37,234,530.16
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Solution
The fourth proportional to 86,394,415.93, 129,683,843.08 and 37,234,530.16 is: 55,891,540.14
Step by Step Solution
- Step 1: Write the proportion equation
86,394,415.93 : 129,683,843.08 = 37,234,530.16 : x - Step 2: Convert to fraction form
86,394,415.93/129,683,843.08 = 37,234,530.16/x - Step 3: Cross multiply
86,394,415.93x = 129,683,843.08 × 37,234,530.16 - Step 4: Simplify right side
86,394,415.93x = 4,828,716,966,009,671 - Step 5: Solve for x
x = 4,828,716,966,009,671/86,394,415.93 - Step 6: Final answer
x = 55,891,540.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.