Finding the Fourth Proportional to 132,455,816.17, 182,787,204.41 and 73,718,471.87
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Solution
The fourth proportional to 132,455,816.17, 182,787,204.41 and 73,718,471.87 is: 101,730,477.20
Step by Step Solution
- Step 1: Write the proportion equation
132,455,816.17 : 182,787,204.41 = 73,718,471.87 : x - Step 2: Convert to fraction form
132,455,816.17/182,787,204.41 = 73,718,471.87/x - Step 3: Cross multiply
132,455,816.17x = 182,787,204.41 × 73,718,471.87 - Step 4: Simplify right side
132,455,816.17x = 13,474,793,387,202,254 - Step 5: Solve for x
x = 13,474,793,387,202,254/132,455,816.17 - Step 6: Final answer
x = 101,730,477.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.