Finding the Fourth Proportional to 75,675,595.12, 104,432,317.26 and 40,868,282.20
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Solution
The fourth proportional to 75,675,595.12, 104,432,317.26 and 40,868,282.20 is: 56,398,227.27
Step by Step Solution
- Step 1: Write the proportion equation
75,675,595.12 : 104,432,317.26 = 40,868,282.20 : x - Step 2: Convert to fraction form
75,675,595.12/104,432,317.26 = 40,868,282.20/x - Step 3: Cross multiply
75,675,595.12x = 104,432,317.26 × 40,868,282.20 - Step 4: Simplify right side
75,675,595.12x = 4,267,969,412,581,611.50 - Step 5: Solve for x
x = 4,267,969,412,581,611.50/75,675,595.12 - Step 6: Final answer
x = 56,398,227.27
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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.