Finding the Fourth Proportional to 73,358,901.18, 101,324,070.72 and 53,481,187.17
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Solution
The fourth proportional to 73,358,901.18, 101,324,070.72 and 53,481,187.17 is: 73,868,767.17
Step by Step Solution
- Step 1: Write the proportion equation
73,358,901.18 : 101,324,070.72 = 53,481,187.17 : x - Step 2: Convert to fraction form
73,358,901.18/101,324,070.72 = 53,481,187.17/x - Step 3: Cross multiply
73,358,901.18x = 101,324,070.72 × 53,481,187.17 - Step 4: Simplify right side
73,358,901.18x = 5,418,931,591,002,637 - Step 5: Solve for x
x = 5,418,931,591,002,637/73,358,901.18 - Step 6: Final answer
x = 73,868,767.17
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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.