Finding the Fourth Proportional to 54,125,151.84, 74,620,453.84 and 42,998,562.56
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Solution
The fourth proportional to 54,125,151.84, 74,620,453.84 and 42,998,562.56 is: 59,280,614.35
Step by Step Solution
- Step 1: Write the proportion equation
54,125,151.84 : 74,620,453.84 = 42,998,562.56 : x - Step 2: Convert to fraction form
54,125,151.84/74,620,453.84 = 42,998,562.56/x - Step 3: Cross multiply
54,125,151.84x = 74,620,453.84 × 42,998,562.56 - Step 4: Simplify right side
54,125,151.84x = 3,208,572,252,694,832.50 - Step 5: Solve for x
x = 3,208,572,252,694,832.50/54,125,151.84 - Step 6: Final answer
x = 59,280,614.35
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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.