Finding the Fourth Proportional to 83,676,114.84, 115,475,998.62 and 46,507,136.28
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Solution
The fourth proportional to 83,676,114.84, 115,475,998.62 and 46,507,136.28 is: 64,181,493.31
Step by Step Solution
- Step 1: Write the proportion equation
83,676,114.84 : 115,475,998.62 = 46,507,136.28 : x - Step 2: Convert to fraction form
83,676,114.84/115,475,998.62 = 46,507,136.28/x - Step 3: Cross multiply
83,676,114.84x = 115,475,998.62 × 46,507,136.28 - Step 4: Simplify right side
83,676,114.84x = 5,370,458,004,889,432 - Step 5: Solve for x
x = 5,370,458,004,889,432/83,676,114.84 - Step 6: Final answer
x = 64,181,493.31
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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.