Finding the Fourth Proportional to 90,081,022.98, 124,308,481.34 and 48,827,029.62
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Solution
The fourth proportional to 90,081,022.98, 124,308,481.34 and 48,827,029.62 is: 67,379,495.70
Step by Step Solution
- Step 1: Write the proportion equation
90,081,022.98 : 124,308,481.34 = 48,827,029.62 : x - Step 2: Convert to fraction form
90,081,022.98/124,308,481.34 = 48,827,029.62/x - Step 3: Cross multiply
90,081,022.98x = 124,308,481.34 × 48,827,029.62 - Step 4: Simplify right side
90,081,022.98x = 6,069,613,900,405,397 - Step 5: Solve for x
x = 6,069,613,900,405,397/90,081,022.98 - Step 6: Final answer
x = 67,379,495.70
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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.