Finding the Fourth Proportional to 176,138,620.70, 243,071,864.55 and 97,822,174.19
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Solution
The fourth proportional to 176,138,620.70, 243,071,864.55 and 97,822,174.19 is: 134,994,915.82
Step by Step Solution
- Step 1: Write the proportion equation
176,138,620.70 : 243,071,864.55 = 97,822,174.19 : x - Step 2: Convert to fraction form
176,138,620.70/243,071,864.55 = 97,822,174.19/x - Step 3: Cross multiply
176,138,620.70x = 243,071,864.55 × 97,822,174.19 - Step 4: Simplify right side
176,138,620.70x = 23,777,818,274,698,188 - Step 5: Solve for x
x = 23,777,818,274,698,188/176,138,620.70 - Step 6: Final answer
x = 134,994,915.82
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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.