Finding the Fourth Proportional to 74,405,357.89, 102,679,792.82 and 40,916,995.97
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Solution
The fourth proportional to 74,405,357.89, 102,679,792.82 and 40,916,995.97 is: 56,465,673.82
Step by Step Solution
- Step 1: Write the proportion equation
74,405,357.89 : 102,679,792.82 = 40,916,995.97 : x - Step 2: Convert to fraction form
74,405,357.89/102,679,792.82 = 40,916,995.97/x - Step 3: Cross multiply
74,405,357.89x = 102,679,792.82 × 40,916,995.97 - Step 4: Simplify right side
74,405,357.89x = 4,201,348,668,891,482 - Step 5: Solve for x
x = 4,201,348,668,891,482/74,405,357.89 - Step 6: Final answer
x = 56,465,673.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.