Finding the Fourth Proportional to 81,532,771.20, 112,511,850.72 and 44,363,204.48
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Solution
The fourth proportional to 81,532,771.20, 112,511,850.72 and 44,363,204.48 is: 61,219,386.59
Step by Step Solution
- Step 1: Write the proportion equation
81,532,771.20 : 112,511,850.72 = 44,363,204.48 : x - Step 2: Convert to fraction form
81,532,771.20/112,511,850.72 = 44,363,204.48/x - Step 3: Cross multiply
81,532,771.20x = 112,511,850.72 × 44,363,204.48 - Step 4: Simplify right side
81,532,771.20x = 4,991,386,239,914,595 - Step 5: Solve for x
x = 4,991,386,239,914,595/81,532,771.20 - Step 6: Final answer
x = 61,219,386.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.