Finding the Fourth Proportional to 66,204,464.29, 91,360,729.11 and 38,328,349.93
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Solution
The fourth proportional to 66,204,464.29, 91,360,729.11 and 38,328,349.93 is: 52,892,294.09
Step by Step Solution
- Step 1: Write the proportion equation
66,204,464.29 : 91,360,729.11 = 38,328,349.93 : x - Step 2: Convert to fraction form
66,204,464.29/91,360,729.11 = 38,328,349.93/x - Step 3: Cross multiply
66,204,464.29x = 91,360,729.11 × 38,328,349.93 - Step 4: Simplify right side
66,204,464.29x = 3,501,705,995,188,017.50 - Step 5: Solve for x
x = 3,501,705,995,188,017.50/66,204,464.29 - Step 6: Final answer
x = 52,892,294.09
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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.