Finding the Fourth Proportional to 118,098,197.80, 177,147,296.70 and 57,632,021.80
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Solution
The fourth proportional to 118,098,197.80, 177,147,296.70 and 57,632,021.80 is: 86,448,032.70
Step by Step Solution
- Step 1: Write the proportion equation
118,098,197.80 : 177,147,296.70 = 57,632,021.80 : x - Step 2: Convert to fraction form
118,098,197.80/177,147,296.70 = 57,632,021.80/x - Step 3: Cross multiply
118,098,197.80x = 177,147,296.70 × 57,632,021.80 - Step 4: Simplify right side
118,098,197.80x = 10,209,356,865,225,466 - Step 5: Solve for x
x = 10,209,356,865,225,466/118,098,197.80 - Step 6: Final answer
x = 86,448,032.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.