Finding the Fourth Proportional to 96,705,888.08, 133,463,531.40 and 72,217,086.80
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Solution
The fourth proportional to 96,705,888.08, 133,463,531.40 and 72,217,086.80 is: 99,666,603.79
Step by Step Solution
- Step 1: Write the proportion equation
96,705,888.08 : 133,463,531.40 = 72,217,086.80 : x - Step 2: Convert to fraction form
96,705,888.08/133,463,531.40 = 72,217,086.80/x - Step 3: Cross multiply
96,705,888.08x = 133,463,531.40 × 72,217,086.80 - Step 4: Simplify right side
96,705,888.08x = 9,638,347,431,748,326 - Step 5: Solve for x
x = 9,638,347,431,748,326/96,705,888.08 - Step 6: Final answer
x = 99,666,603.79
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1.5x scale
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.