Finding the Fourth Proportional to 94,731,828.48, 130,732,470.72 and 57,549,458.88
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Solution
The fourth proportional to 94,731,828.48, 130,732,470.72 and 57,549,458.88 is: 79,419,800.81
Step by Step Solution
- Step 1: Write the proportion equation
94,731,828.48 : 130,732,470.72 = 57,549,458.88 : x - Step 2: Convert to fraction form
94,731,828.48/130,732,470.72 = 57,549,458.88/x - Step 3: Cross multiply
94,731,828.48x = 130,732,470.72 × 57,549,458.88 - Step 4: Simplify right side
94,731,828.48x = 7,523,582,947,981,444 - Step 5: Solve for x
x = 7,523,582,947,981,444/94,731,828.48 - Step 6: Final answer
x = 79,419,800.81
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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.