Finding the Fourth Proportional to 107,798,356.66, 161,632,891.74 and 49,432,918.35
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Solution
The fourth proportional to 107,798,356.66, 161,632,891.74 and 49,432,918.35 is: 74,119,734.17
Step by Step Solution
- Step 1: Write the proportion equation
107,798,356.66 : 161,632,891.74 = 49,432,918.35 : x - Step 2: Convert to fraction form
107,798,356.66/161,632,891.74 = 49,432,918.35/x - Step 3: Cross multiply
107,798,356.66x = 161,632,891.74 × 49,432,918.35 - Step 4: Simplify right side
107,798,356.66x = 7,989,985,540,057,810 - Step 5: Solve for x
x = 7,989,985,540,057,810/107,798,356.66 - Step 6: Final answer
x = 74,119,734.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.