Finding the Fourth Proportional to 356,563,963.10, 534,845,944.65 and 97,805,340.20
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Solution
The fourth proportional to 356,563,963.10, 534,845,944.65 and 97,805,340.20 is: 146,708,010.30
Step by Step Solution
- Step 1: Write the proportion equation
356,563,963.10 : 534,845,944.65 = 97,805,340.20 : x - Step 2: Convert to fraction form
356,563,963.10/534,845,944.65 = 97,805,340.20/x - Step 3: Cross multiply
356,563,963.10x = 534,845,944.65 × 97,805,340.20 - Step 4: Simplify right side
356,563,963.10x = 52,310,789,571,083,616 - Step 5: Solve for x
x = 52,310,789,571,083,616/356,563,963.10 - Step 6: Final answer
x = 146,708,010.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.