Finding the Fourth Proportional to 203,640,073.56, 305,488,804.76 and 65,419,333.08
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Solution
The fourth proportional to 203,640,073.56, 305,488,804.76 and 65,419,333.08 is: 98,138,217.70
Step by Step Solution
- Step 1: Write the proportion equation
203,640,073.56 : 305,488,804.76 = 65,419,333.08 : x - Step 2: Convert to fraction form
203,640,073.56/305,488,804.76 = 65,419,333.08/x - Step 3: Cross multiply
203,640,073.56x = 305,488,804.76 × 65,419,333.08 - Step 4: Simplify right side
203,640,073.56x = 19,984,873,870,805,528 - Step 5: Solve for x
x = 19,984,873,870,805,528/203,640,073.56 - Step 6: Final answer
x = 98,138,217.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.