Finding the Fourth Proportional to 168,655,590,072.80, 252,974,475,184.05 and 55,320,387,168.70
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Solution
The fourth proportional to 168,655,590,072.80, 252,974,475,184.05 and 55,320,387,168.70 is: 82,977,658,226.09
Step by Step Solution
- Step 1: Write the proportion equation
168,655,590,072.80 : 252,974,475,184.05 = 55,320,387,168.70 : x - Step 2: Convert to fraction form
168,655,590,072.80/252,974,475,184.05 = 55,320,387,168.70/x - Step 3: Cross multiply
168,655,590,072.80x = 252,974,475,184.05 × 55,320,387,168.70 - Step 4: Simplify right side
168,655,590,072.80x = 13,994,645,910,980,334,190,592 - Step 5: Solve for x
x = 13,994,645,910,980,334,190,592/168,655,590,072.80 - Step 6: Final answer
x = 82,977,658,226.09
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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.