Finding the Fourth Proportional to 74,547,849.75, 102,874,804.43 and 43,613,259.63
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Solution
The fourth proportional to 74,547,849.75, 102,874,804.43 and 43,613,259.63 is: 60,185,579.73
Step by Step Solution
- Step 1: Write the proportion equation
74,547,849.75 : 102,874,804.43 = 43,613,259.63 : x - Step 2: Convert to fraction form
74,547,849.75/102,874,804.43 = 43,613,259.63/x - Step 3: Cross multiply
74,547,849.75x = 102,874,804.43 × 43,613,259.63 - Step 4: Simplify right side
74,547,849.75x = 4,486,705,554,772,998 - Step 5: Solve for x
x = 4,486,705,554,772,998/74,547,849.75 - Step 6: Final answer
x = 60,185,579.73
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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.