Finding the Fourth Proportional to 165,750,558,369.30, 248,625,837,553.95 and 90,436,015,307.70
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Solution
The fourth proportional to 165,750,558,369.30, 248,625,837,553.95 and 90,436,015,307.70 is: 135,654,022,961.55
Step by Step Solution
- Step 1: Write the proportion equation
165,750,558,369.30 : 248,625,837,553.95 = 90,436,015,307.70 : x - Step 2: Convert to fraction form
165,750,558,369.30/248,625,837,553.95 = 90,436,015,307.70/x - Step 3: Cross multiply
165,750,558,369.30x = 248,625,837,553.95 × 90,436,015,307.70 - Step 4: Simplify right side
165,750,558,369.30x = 22,484,730,050,918,756,646,912 - Step 5: Solve for x
x = 22,484,730,050,918,756,646,912/165,750,558,369.30 - Step 6: Final answer
x = 135,654,022,961.55
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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.