Finding the Fourth Proportional to 147,532,902.12, 203,595,691.46 and 81,453,528.18
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Solution
The fourth proportional to 147,532,902.12, 203,595,691.46 and 81,453,528.18 is: 112,406,027.08
Step by Step Solution
- Step 1: Write the proportion equation
147,532,902.12 : 203,595,691.46 = 81,453,528.18 : x - Step 2: Convert to fraction form
147,532,902.12/203,595,691.46 = 81,453,528.18/x - Step 3: Cross multiply
147,532,902.12x = 203,595,691.46 × 81,453,528.18 - Step 4: Simplify right side
147,532,902.12x = 16,583,587,391,256,430 - Step 5: Solve for x
x = 16,583,587,391,256,430/147,532,902.12 - Step 6: Final answer
x = 112,406,027.08
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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.