Finding the Fourth Proportional to 170,560,865.57, 235,373,994.63 and 92,244,418.65
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Solution
The fourth proportional to 170,560,865.57, 235,373,994.63 and 92,244,418.65 is: 127,297,297.82
Step by Step Solution
- Step 1: Write the proportion equation
170,560,865.57 : 235,373,994.63 = 92,244,418.65 : x - Step 2: Convert to fraction form
170,560,865.57/235,373,994.63 = 92,244,418.65/x - Step 3: Cross multiply
170,560,865.57x = 235,373,994.63 × 92,244,418.65 - Step 4: Simplify right side
170,560,865.57x = 21,711,937,299,972,572 - Step 5: Solve for x
x = 21,711,937,299,972,572/170,560,865.57 - Step 6: Final answer
x = 127,297,297.82
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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.