Finding the Fourth Proportional to 68,593,514.41, 102,755,744.38 and 39,779,113.87
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Solution
The fourth proportional to 68,593,514.41, 102,755,744.38 and 39,779,113.87 is: 59,590,655.06
Step by Step Solution
- Step 1: Write the proportion equation
68,593,514.41 : 102,755,744.38 = 39,779,113.87 : x - Step 2: Convert to fraction form
68,593,514.41/102,755,744.38 = 39,779,113.87/x - Step 3: Cross multiply
68,593,514.41x = 102,755,744.38 × 39,779,113.87 - Step 4: Simplify right side
68,593,514.41x = 4,087,532,456,488,632 - Step 5: Solve for x
x = 4,087,532,456,488,632/68,593,514.41 - Step 6: Final answer
x = 59,590,655.06
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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.