Finding the Fourth Proportional to 247,938,882.05, 342,145,382.68 and 134,908,840.58
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Solution
The fourth proportional to 247,938,882.05, 342,145,382.68 and 134,908,840.58 is: 186,168,609.39
Step by Step Solution
- Step 1: Write the proportion equation
247,938,882.05 : 342,145,382.68 = 134,908,840.58 : x - Step 2: Convert to fraction form
247,938,882.05/342,145,382.68 = 134,908,840.58/x - Step 3: Cross multiply
247,938,882.05x = 342,145,382.68 × 134,908,840.58 - Step 4: Simplify right side
247,938,882.05x = 46,158,436,885,785,752 - Step 5: Solve for x
x = 46,158,436,885,785,752/247,938,882.05 - Step 6: Final answer
x = 186,168,609.39
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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.