Finding the Fourth Proportional to 71,015,110.14, 97,999,884.27 and 39,653,643.54
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Solution
The fourth proportional to 71,015,110.14, 97,999,884.27 and 39,653,643.54 is: 54,721,487.72
Step by Step Solution
- Step 1: Write the proportion equation
71,015,110.14 : 97,999,884.27 = 39,653,643.54 : x - Step 2: Convert to fraction form
71,015,110.14/97,999,884.27 = 39,653,643.54/x - Step 3: Cross multiply
71,015,110.14x = 97,999,884.27 × 39,653,643.54 - Step 4: Simplify right side
71,015,110.14x = 3,886,052,477,803,833 - Step 5: Solve for x
x = 3,886,052,477,803,833/71,015,110.14 - Step 6: Final answer
x = 54,721,487.72
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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.