Finding the Fourth Proportional to 228,179,825.47, 340,351,286.93 and 207,232,304.19
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Solution
The fourth proportional to 228,179,825.47, 340,351,286.93 and 207,232,304.19 is: 309,106,123.99
Step by Step Solution
- Step 1: Write the proportion equation
228,179,825.47 : 340,351,286.93 = 207,232,304.19 : x - Step 2: Convert to fraction form
228,179,825.47/340,351,286.93 = 207,232,304.19/x - Step 3: Cross multiply
228,179,825.47x = 340,351,286.93 × 207,232,304.19 - Step 4: Simplify right side
228,179,825.47x = 70,531,781,423,499,568 - Step 5: Solve for x
x = 70,531,781,423,499,568/228,179,825.47 - Step 6: Final answer
x = 309,106,123.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.