Finding the Fourth Proportional to 212,759,658.09, 293,595,674.69 and 123,444,683.15
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Solution
The fourth proportional to 212,759,658.09, 293,595,674.69 and 123,444,683.15 is: 170,346,321.10
Step by Step Solution
- Step 1: Write the proportion equation
212,759,658.09 : 293,595,674.69 = 123,444,683.15 : x - Step 2: Convert to fraction form
212,759,658.09/293,595,674.69 = 123,444,683.15/x - Step 3: Cross multiply
212,759,658.09x = 293,595,674.69 × 123,444,683.15 - Step 4: Simplify right side
212,759,658.09x = 36,242,825,035,158,152 - Step 5: Solve for x
x = 36,242,825,035,158,152/212,759,658.09 - Step 6: Final answer
x = 170,346,321.10
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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.