Finding the Fourth Proportional to 96,643,743.12, 133,368,387.26 and 53,183,679.12
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Solution
The fourth proportional to 96,643,743.12, 133,368,387.26 and 53,183,679.12 is: 73,393,489.15
Step by Step Solution
- Step 1: Write the proportion equation
96,643,743.12 : 133,368,387.26 = 53,183,679.12 : x - Step 2: Convert to fraction form
96,643,743.12/133,368,387.26 = 53,183,679.12/x - Step 3: Cross multiply
96,643,743.12x = 133,368,387.26 × 53,183,679.12 - Step 4: Simplify right side
96,643,743.12x = 7,093,021,512,521,817 - Step 5: Solve for x
x = 7,093,021,512,521,817/96,643,743.12 - Step 6: Final answer
x = 73,393,489.15
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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.