Finding the Fourth Proportional to 108,479,545.14, 149,702,859.90 and 58,920,888.12
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Solution
The fourth proportional to 108,479,545.14, 149,702,859.90 and 58,920,888.12 is: 81,311,416.34
Step by Step Solution
- Step 1: Write the proportion equation
108,479,545.14 : 149,702,859.90 = 58,920,888.12 : x - Step 2: Convert to fraction form
108,479,545.14/149,702,859.90 = 58,920,888.12/x - Step 3: Cross multiply
108,479,545.14x = 149,702,859.90 × 58,920,888.12 - Step 4: Simplify right side
108,479,545.14x = 8,820,625,459,411,934 - Step 5: Solve for x
x = 8,820,625,459,411,934/108,479,545.14 - Step 6: Final answer
x = 81,311,416.34
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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.