Finding the Fourth Proportional to 195,686,881.15, 270,048,069.69 and 107,582,377.84
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Solution
The fourth proportional to 195,686,881.15, 270,048,069.69 and 107,582,377.84 is: 148,463,776.92
Step by Step Solution
- Step 1: Write the proportion equation
195,686,881.15 : 270,048,069.69 = 107,582,377.84 : x - Step 2: Convert to fraction form
195,686,881.15/270,048,069.69 = 107,582,377.84/x - Step 3: Cross multiply
195,686,881.15x = 270,048,069.69 × 107,582,377.84 - Step 4: Simplify right side
195,686,881.15x = 29,052,413,468,352,232 - Step 5: Solve for x
x = 29,052,413,468,352,232/195,686,881.15 - Step 6: Final answer
x = 148,463,776.92
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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.