Finding the Fourth Proportional to 260,684,647.24, 391,077,324.30 and 99,114,020.68
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Solution
The fourth proportional to 260,684,647.24, 391,077,324.30 and 99,114,020.68 is: 148,690,175.73
Step by Step Solution
- Step 1: Write the proportion equation
260,684,647.24 : 391,077,324.30 = 99,114,020.68 : x - Step 2: Convert to fraction form
260,684,647.24/391,077,324.30 = 99,114,020.68/x - Step 3: Cross multiply
260,684,647.24x = 391,077,324.30 × 99,114,020.68 - Step 4: Simplify right side
260,684,647.24x = 38,761,246,008,149,272 - Step 5: Solve for x
x = 38,761,246,008,149,272/260,684,647.24 - Step 6: Final answer
x = 148,690,175.73
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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.