Finding the Fourth Proportional to 118,187,792.12, 161,916,519.28 and 113,768,125.94
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Solution
The fourth proportional to 118,187,792.12, 161,916,519.28 and 113,768,125.94 is: 155,861,604.88
Step by Step Solution
- Step 1: Write the proportion equation
118,187,792.12 : 161,916,519.28 = 113,768,125.94 : x - Step 2: Convert to fraction form
118,187,792.12/161,916,519.28 = 113,768,125.94/x - Step 3: Cross multiply
118,187,792.12x = 161,916,519.28 × 113,768,125.94 - Step 4: Simplify right side
118,187,792.12x = 18,420,938,957,213,476 - Step 5: Solve for x
x = 18,420,938,957,213,476/118,187,792.12 - Step 6: Final answer
x = 155,861,604.88
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.