Finding the Fourth Proportional to 171,072,661.80, 256,608,992.70 and 160,994,965.80
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Solution
The fourth proportional to 171,072,661.80, 256,608,992.70 and 160,994,965.80 is: 241,492,448.70
Step by Step Solution
- Step 1: Write the proportion equation
171,072,661.80 : 256,608,992.70 = 160,994,965.80 : x - Step 2: Convert to fraction form
171,072,661.80/256,608,992.70 = 160,994,965.80/x - Step 3: Cross multiply
171,072,661.80x = 256,608,992.70 × 160,994,965.80 - Step 4: Simplify right side
171,072,661.80x = 41,312,756,003,708,952 - Step 5: Solve for x
x = 41,312,756,003,708,952/171,072,661.80 - Step 6: Final answer
x = 241,492,448.70
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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.