Finding the Fourth Proportional to 107,778,624.86, 148,734,556.62 and 58,218,995.99
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Solution
The fourth proportional to 107,778,624.86, 148,734,556.62 and 58,218,995.99 is: 80,342,243.80
Step by Step Solution
- Step 1: Write the proportion equation
107,778,624.86 : 148,734,556.62 = 58,218,995.99 : x - Step 2: Convert to fraction form
107,778,624.86/148,734,556.62 = 58,218,995.99/x - Step 3: Cross multiply
107,778,624.86x = 148,734,556.62 × 58,218,995.99 - Step 4: Simplify right side
107,778,624.86x = 8,659,176,555,434,209 - Step 5: Solve for x
x = 8,659,176,555,434,209/107,778,624.86 - Step 6: Final answer
x = 80,342,243.80
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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.