Finding the Fourth Proportional to 107,493,771.36, 148,339,987.92 and 60,450,830.88
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Solution
The fourth proportional to 107,493,771.36, 148,339,987.92 and 60,450,830.88 is: 83,421,349.99
Step by Step Solution
- Step 1: Write the proportion equation
107,493,771.36 : 148,339,987.92 = 60,450,830.88 : x - Step 2: Convert to fraction form
107,493,771.36/148,339,987.92 = 60,450,830.88/x - Step 3: Cross multiply
107,493,771.36x = 148,339,987.92 × 60,450,830.88 - Step 4: Simplify right side
107,493,771.36x = 8,967,275,522,493,163 - Step 5: Solve for x
x = 8,967,275,522,493,163/107,493,771.36 - Step 6: Final answer
x = 83,421,349.99
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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.