Finding the Fourth Proportional to 85,843,305.24, 118,403,798.94 and 58,293,403.80
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Solution
The fourth proportional to 85,843,305.24, 118,403,798.94 and 58,293,403.80 is: 80,404,178.80
Step by Step Solution
- Step 1: Write the proportion equation
85,843,305.24 : 118,403,798.94 = 58,293,403.80 : x - Step 2: Convert to fraction form
85,843,305.24/118,403,798.94 = 58,293,403.80/x - Step 3: Cross multiply
85,843,305.24x = 118,403,798.94 × 58,293,403.80 - Step 4: Simplify right side
85,843,305.24x = 6,902,160,463,063,431 - Step 5: Solve for x
x = 6,902,160,463,063,431/85,843,305.24 - Step 6: Final answer
x = 80,404,178.80
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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.