Finding the Fourth Proportional to 187,970,221.94, 259,385,920.53 and 104,331,772.82
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Solution
The fourth proportional to 187,970,221.94, 259,385,920.53 and 104,331,772.82 is: 143,970,638.83
Step by Step Solution
- Step 1: Write the proportion equation
187,970,221.94 : 259,385,920.53 = 104,331,772.82 : x - Step 2: Convert to fraction form
187,970,221.94/259,385,920.53 = 104,331,772.82/x - Step 3: Cross multiply
187,970,221.94x = 259,385,920.53 × 104,331,772.82 - Step 4: Simplify right side
187,970,221.94x = 27,062,192,932,145,604 - Step 5: Solve for x
x = 27,062,192,932,145,604/187,970,221.94 - Step 6: Final answer
x = 143,970,638.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.