Finding the Fourth Proportional to 112,269,072.60, 168,403,608.90 and 54,798,211.80
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Solution
The fourth proportional to 112,269,072.60, 168,403,608.90 and 54,798,211.80 is: 82,197,317.70
Step by Step Solution
- Step 1: Write the proportion equation
112,269,072.60 : 168,403,608.90 = 54,798,211.80 : x - Step 2: Convert to fraction form
112,269,072.60/168,403,608.90 = 54,798,211.80/x - Step 3: Cross multiply
112,269,072.60x = 168,403,608.90 × 54,798,211.80 - Step 4: Simplify right side
112,269,072.60x = 9,228,216,628,386,564 - Step 5: Solve for x
x = 9,228,216,628,386,564/112,269,072.60 - Step 6: Final answer
x = 82,197,317.70
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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.