Finding the Fourth Proportional to 54,194,926.79, 74,788,809.48 and 29,415,112.25
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Solution
The fourth proportional to 54,194,926.79, 74,788,809.48 and 29,415,112.25 is: 40,592,752.05
Step by Step Solution
- Step 1: Write the proportion equation
54,194,926.79 : 74,788,809.48 = 29,415,112.25 : x - Step 2: Convert to fraction form
54,194,926.79/74,788,809.48 = 29,415,112.25/x - Step 3: Cross multiply
54,194,926.79x = 74,788,809.48 × 29,415,112.25 - Step 4: Simplify right side
54,194,926.79x = 2,199,921,225,524,120.25 - Step 5: Solve for x
x = 2,199,921,225,524,120.25/54,194,926.79 - Step 6: Final answer
x = 40,592,752.05
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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.