Finding the Fourth Proportional to 54,028,037.70, 74,558,715.10 and 29,248,223.96
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Solution
The fourth proportional to 54,028,037.70, 74,558,715.10 and 29,248,223.96 is: 40,362,561.56
Step by Step Solution
- Step 1: Write the proportion equation
54,028,037.70 : 74,558,715.10 = 29,248,223.96 : x - Step 2: Convert to fraction form
54,028,037.70/74,558,715.10 = 29,248,223.96/x - Step 3: Cross multiply
54,028,037.70x = 74,558,715.10 × 29,248,223.96 - Step 4: Simplify right side
54,028,037.70x = 2,180,709,997,527,909.75 - Step 5: Solve for x
x = 2,180,709,997,527,909.75/54,028,037.70 - Step 6: Final answer
x = 40,362,561.56
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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.