Finding the Fourth Proportional to 183,354,423.08, 253,033,890.75 and 100,850,372.96
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Solution
The fourth proportional to 183,354,423.08, 253,033,890.75 and 100,850,372.96 is: 139,176,147.62
Step by Step Solution
- Step 1: Write the proportion equation
183,354,423.08 : 253,033,890.75 = 100,850,372.96 : x - Step 2: Convert to fraction form
183,354,423.08/253,033,890.75 = 100,850,372.96/x - Step 3: Cross multiply
183,354,423.08x = 253,033,890.75 × 100,850,372.96 - Step 4: Simplify right side
183,354,423.08x = 25,518,562,253,657,392 - Step 5: Solve for x
x = 25,518,562,253,657,392/183,354,423.08 - Step 6: Final answer
x = 139,176,147.62
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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.