Finding the Fourth Proportional to 113,786,192.62, 157,024,945.98 and 61,575,228.28
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Solution
The fourth proportional to 113,786,192.62, 157,024,945.98 and 61,575,228.28 is: 84,973,815.12
Step by Step Solution
- Step 1: Write the proportion equation
113,786,192.62 : 157,024,945.98 = 61,575,228.28 : x - Step 2: Convert to fraction form
113,786,192.62/157,024,945.98 = 61,575,228.28/x - Step 3: Cross multiply
113,786,192.62x = 157,024,945.98 × 61,575,228.28 - Step 4: Simplify right side
113,786,192.62x = 9,668,846,894,373,168 - Step 5: Solve for x
x = 9,668,846,894,373,168/113,786,192.62 - Step 6: Final answer
x = 84,973,815.12
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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.