Finding the Fourth Proportional to 187,340,367.91, 258,532,755.04 and 102,566,062.11
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Solution
The fourth proportional to 187,340,367.91, 258,532,755.04 and 102,566,062.11 is: 141,542,834.08
Step by Step Solution
- Step 1: Write the proportion equation
187,340,367.91 : 258,532,755.04 = 102,566,062.11 : x - Step 2: Convert to fraction form
187,340,367.91/258,532,755.04 = 102,566,062.11/x - Step 3: Cross multiply
187,340,367.91x = 258,532,755.04 × 102,566,062.11 - Step 4: Simplify right side
187,340,367.91x = 26,516,686,610,902,056 - Step 5: Solve for x
x = 26,516,686,610,902,056/187,340,367.91 - Step 6: Final answer
x = 141,542,834.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.