Finding the Fourth Proportional to 99,697,750.40, 149,546,625.60 and 39,115,452.80
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Solution
The fourth proportional to 99,697,750.40, 149,546,625.60 and 39,115,452.80 is: 58,673,179.20
Step by Step Solution
- Step 1: Write the proportion equation
99,697,750.40 : 149,546,625.60 = 39,115,452.80 : x - Step 2: Convert to fraction form
99,697,750.40/149,546,625.60 = 39,115,452.80/x - Step 3: Cross multiply
99,697,750.40x = 149,546,625.60 × 39,115,452.80 - Step 4: Simplify right side
99,697,750.40x = 5,849,583,975,056,071 - Step 5: Solve for x
x = 5,849,583,975,056,071/99,697,750.40 - Step 6: Final answer
x = 58,673,179.20
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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.