Finding the Fourth Proportional to 106,145,279.55, 159,278,592.17 and 57,627,078.21
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Solution
The fourth proportional to 106,145,279.55, 159,278,592.17 and 57,627,078.21 is: 86,473,557.06
Step by Step Solution
- Step 1: Write the proportion equation
106,145,279.55 : 159,278,592.17 = 57,627,078.21 : x - Step 2: Convert to fraction form
106,145,279.55/159,278,592.17 = 57,627,078.21/x - Step 3: Cross multiply
106,145,279.55x = 159,278,592.17 × 57,627,078.21 - Step 4: Simplify right side
106,145,279.55x = 9,178,759,888,303,352 - Step 5: Solve for x
x = 9,178,759,888,303,352/106,145,279.55 - Step 6: Final answer
x = 86,473,557.06
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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.