Finding the Fourth Proportional to 141,477,968.48, 195,237,596.67 and 79,598,159.42
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Solution
The fourth proportional to 141,477,968.48, 195,237,596.67 and 79,598,159.42 is: 109,844,334.85
Step by Step Solution
- Step 1: Write the proportion equation
141,477,968.48 : 195,237,596.67 = 79,598,159.42 : x - Step 2: Convert to fraction form
141,477,968.48/195,237,596.67 = 79,598,159.42/x - Step 3: Cross multiply
141,477,968.48x = 195,237,596.67 × 79,598,159.42 - Step 4: Simplify right side
141,477,968.48x = 15,540,553,343,540,134 - Step 5: Solve for x
x = 15,540,553,343,540,134/141,477,968.48 - Step 6: Final answer
x = 109,844,334.85
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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.