Finding the Fourth Proportional to 136,478,234.80, 204,717,352.20 and 97,736,185.90
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Solution
The fourth proportional to 136,478,234.80, 204,717,352.20 and 97,736,185.90 is: 146,604,278.85
Step by Step Solution
- Step 1: Write the proportion equation
136,478,234.80 : 204,717,352.20 = 97,736,185.90 : x - Step 2: Convert to fraction form
136,478,234.80/204,717,352.20 = 97,736,185.90/x - Step 3: Cross multiply
136,478,234.80x = 204,717,352.20 × 97,736,185.90 - Step 4: Simplify right side
136,478,234.80x = 20,008,293,191,574,976 - Step 5: Solve for x
x = 20,008,293,191,574,976/136,478,234.80 - Step 6: Final answer
x = 146,604,278.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.