Finding the Fourth Proportional to 91,031,374,163.70, 136,547,061,245.55 and 91,031,374,163.70
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Solution
The fourth proportional to 91,031,374,163.70, 136,547,061,245.55 and 91,031,374,163.70 is: 136,547,061,245.55
Step by Step Solution
- Step 1: Write the proportion equation
91,031,374,163.70 : 136,547,061,245.55 = 91,031,374,163.70 : x - Step 2: Convert to fraction form
91,031,374,163.70/136,547,061,245.55 = 91,031,374,163.70/x - Step 3: Cross multiply
91,031,374,163.70x = 136,547,061,245.55 × 91,031,374,163.70 - Step 4: Simplify right side
91,031,374,163.70x = 12,430,066,623,197,321,625,600 - Step 5: Solve for x
x = 12,430,066,623,197,321,625,600/91,031,374,163.70 - Step 6: Final answer
x = 136,547,061,245.55
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Double scale
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Similar ratio
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1.5x scale
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.