Finding the Fourth Proportional to 99,207,520, 136,919,207.04 and 55,747,459.84
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Solution
The fourth proportional to 99,207,520, 136,919,207.04 and 55,747,459.84 is: 76,938,703.80
Step by Step Solution
- Step 1: Write the proportion equation
99,207,520 : 136,919,207.04 = 55,747,459.84 : x - Step 2: Convert to fraction form
99,207,520/136,919,207.04 = 55,747,459.84/x - Step 3: Cross multiply
99,207,520x = 136,919,207.04 × 55,747,459.84 - Step 4: Simplify right side
99,207,520x = 7,632,897,995,787,045 - Step 5: Solve for x
x = 7,632,897,995,787,045/99,207,520 - Step 6: Final answer
x = 76,938,703.80
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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.