Finding the Fourth Proportional to 71,798,459.08, 99,081,481.62 and 39,203,177.80
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Solution
The fourth proportional to 71,798,459.08, 99,081,481.62 and 39,203,177.80 is: 54,100,171.37
Step by Step Solution
- Step 1: Write the proportion equation
71,798,459.08 : 99,081,481.62 = 39,203,177.80 : x - Step 2: Convert to fraction form
71,798,459.08/99,081,481.62 = 39,203,177.80/x - Step 3: Cross multiply
71,798,459.08x = 99,081,481.62 × 39,203,177.80 - Step 4: Simplify right side
71,798,459.08x = 3,884,308,940,636,292 - Step 5: Solve for x
x = 3,884,308,940,636,292/71,798,459.08 - Step 6: Final answer
x = 54,100,171.37
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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.