Finding the Fourth Proportional to 191,934,548.49, 264,868,879.11 and 103,828,328.99
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Solution
The fourth proportional to 191,934,548.49, 264,868,879.11 and 103,828,328.99 is: 143,282,662.42
Step by Step Solution
- Step 1: Write the proportion equation
191,934,548.49 : 264,868,879.11 = 103,828,328.99 : x - Step 2: Convert to fraction form
191,934,548.49/264,868,879.11 = 103,828,328.99/x - Step 3: Cross multiply
191,934,548.49x = 264,868,879.11 × 103,828,328.99 - Step 4: Simplify right side
191,934,548.49x = 27,500,893,118,121,276 - Step 5: Solve for x
x = 27,500,893,118,121,276/191,934,548.49 - Step 6: Final answer
x = 143,282,662.42
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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.