Finding the Fourth Proportional to 252,185,631.98, 348,024,812.85 and 146,331,073.08
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Solution
The fourth proportional to 252,185,631.98, 348,024,812.85 and 146,331,073.08 is: 201,941,894.64
Step by Step Solution
- Step 1: Write the proportion equation
252,185,631.98 : 348,024,812.85 = 146,331,073.08 : x - Step 2: Convert to fraction form
252,185,631.98/348,024,812.85 = 146,331,073.08/x - Step 3: Cross multiply
252,185,631.98x = 348,024,812.85 × 146,331,073.08 - Step 4: Simplify right side
252,185,631.98x = 50,926,844,322,806,680 - Step 5: Solve for x
x = 50,926,844,322,806,680/252,185,631.98 - Step 6: Final answer
x = 201,941,894.64
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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.