Finding the Fourth Proportional to 106,372,367.72, 159,231,295.29 and 69,404,657.12
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Solution
The fourth proportional to 106,372,367.72, 159,231,295.29 and 69,404,657.12 is: 103,893,461.14
Step by Step Solution
- Step 1: Write the proportion equation
106,372,367.72 : 159,231,295.29 = 69,404,657.12 : x - Step 2: Convert to fraction form
106,372,367.72/159,231,295.29 = 69,404,657.12/x - Step 3: Cross multiply
106,372,367.72x = 159,231,295.29 × 69,404,657.12 - Step 4: Simplify right side
106,372,367.72x = 11,051,393,452,375,922 - Step 5: Solve for x
x = 11,051,393,452,375,922/106,372,367.72 - Step 6: Final answer
x = 103,893,461.14
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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.