Finding the Fourth Proportional to 90,782,375.67, 136,158,943.41 and 26,071,461.09
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Solution
The fourth proportional to 90,782,375.67, 136,158,943.41 and 26,071,461.09 is: 39,102,992.94
Step by Step Solution
- Step 1: Write the proportion equation
90,782,375.67 : 136,158,943.41 = 26,071,461.09 : x - Step 2: Convert to fraction form
90,782,375.67/136,158,943.41 = 26,071,461.09/x - Step 3: Cross multiply
90,782,375.67x = 136,158,943.41 × 26,071,461.09 - Step 4: Simplify right side
90,782,375.67x = 3,549,862,595,169,327 - Step 5: Solve for x
x = 3,549,862,595,169,327/90,782,375.67 - Step 6: Final answer
x = 39,102,992.94
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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.