Finding the Fourth Proportional to 49,215,756.08, 73,813,613.15 and 18,080,712.17
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Solution
The fourth proportional to 49,215,756.08, 73,813,613.15 and 18,080,712.17 is: 27,117,386.78
Step by Step Solution
- Step 1: Write the proportion equation
49,215,756.08 : 73,813,613.15 = 18,080,712.17 : x - Step 2: Convert to fraction form
49,215,756.08/73,813,613.15 = 18,080,712.17/x - Step 3: Cross multiply
49,215,756.08x = 73,813,613.15 × 18,080,712.17 - Step 4: Simplify right side
49,215,756.08x = 1,334,602,693,133,405.25 - Step 5: Solve for x
x = 1,334,602,693,133,405.25/49,215,756.08 - Step 6: Final answer
x = 27,117,386.78
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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.