Finding the Fourth Proportional to 127,104,590.84, 175,399,170.54 and 72,099,266.36
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Solution
The fourth proportional to 127,104,590.84, 175,399,170.54 and 72,099,266.36 is: 99,494,057.87
Step by Step Solution
- Step 1: Write the proportion equation
127,104,590.84 : 175,399,170.54 = 72,099,266.36 : x - Step 2: Convert to fraction form
127,104,590.84/175,399,170.54 = 72,099,266.36/x - Step 3: Cross multiply
127,104,590.84x = 175,399,170.54 × 72,099,266.36 - Step 4: Simplify right side
127,104,590.84x = 12,646,151,516,086,524 - Step 5: Solve for x
x = 12,646,151,516,086,524/127,104,590.84 - Step 6: Final answer
x = 99,494,057.87
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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.