Finding the Fourth Proportional to 71,015,109.64, 97,999,883.58 and 39,653,643.04
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Solution
The fourth proportional to 71,015,109.64, 97,999,883.58 and 39,653,643.04 is: 54,721,487.03
Step by Step Solution
- Step 1: Write the proportion equation
71,015,109.64 : 97,999,883.58 = 39,653,643.04 : x - Step 2: Convert to fraction form
71,015,109.64/97,999,883.58 = 39,653,643.04/x - Step 3: Cross multiply
71,015,109.64x = 97,999,883.58 × 39,653,643.04 - Step 4: Simplify right side
71,015,109.64x = 3,886,052,401,442,877 - Step 5: Solve for x
x = 3,886,052,401,442,877/71,015,109.64 - Step 6: Final answer
x = 54,721,487.03
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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.