Finding the Fourth Proportional to 71,129,249.94, 106,528,140.83 and 69,165,663.68
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Solution
The fourth proportional to 71,129,249.94, 106,528,140.83 and 69,165,663.68 is: 103,587,336.66
Step by Step Solution
- Step 1: Write the proportion equation
71,129,249.94 : 106,528,140.83 = 69,165,663.68 : x - Step 2: Convert to fraction form
71,129,249.94/106,528,140.83 = 69,165,663.68/x - Step 3: Cross multiply
71,129,249.94x = 106,528,140.83 × 69,165,663.68 - Step 4: Simplify right side
71,129,249.94x = 7,368,089,560,224,987 - Step 5: Solve for x
x = 7,368,089,560,224,987/71,129,249.94 - Step 6: Final answer
x = 103,587,336.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.