Finding the Fourth Proportional to 58,092,039.70, 80,168,452.36 and 31,631,844.12
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Solution
The fourth proportional to 58,092,039.70, 80,168,452.36 and 31,631,844.12 is: 43,652,727.66
Step by Step Solution
- Step 1: Write the proportion equation
58,092,039.70 : 80,168,452.36 = 31,631,844.12 : x - Step 2: Convert to fraction form
58,092,039.70/80,168,452.36 = 31,631,844.12/x - Step 3: Cross multiply
58,092,039.70x = 80,168,452.36 × 31,631,844.12 - Step 4: Simplify right side
58,092,039.70x = 2,535,875,988,393,166 - Step 5: Solve for x
x = 2,535,875,988,393,166/58,092,039.70 - Step 6: Final answer
x = 43,652,727.66
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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.