Finding the Fourth Proportional to 176,106,518.91, 243,042,396.35 and 97,805,380.05
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Solution
The fourth proportional to 176,106,518.91, 243,042,396.35 and 97,805,380.05 is: 134,979,977.40
Step by Step Solution
- Step 1: Write the proportion equation
176,106,518.91 : 243,042,396.35 = 97,805,380.05 : x - Step 2: Convert to fraction form
176,106,518.91/243,042,396.35 = 97,805,380.05/x - Step 3: Cross multiply
176,106,518.91x = 243,042,396.35 × 97,805,380.05 - Step 4: Simplify right side
176,106,518.91x = 23,770,853,942,785,456 - Step 5: Solve for x
x = 23,770,853,942,785,456/176,106,518.91 - Step 6: Final answer
x = 134,979,977.40
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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.