Finding the Fourth Proportional to 171,911,755.39, 257,867,712.93 and 55,327,094.99
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Solution
The fourth proportional to 171,911,755.39, 257,867,712.93 and 55,327,094.99 is: 82,990,668.18
Step by Step Solution
- Step 1: Write the proportion equation
171,911,755.39 : 257,867,712.93 = 55,327,094.99 : x - Step 2: Convert to fraction form
171,911,755.39/257,867,712.93 = 55,327,094.99/x - Step 3: Cross multiply
171,911,755.39x = 257,867,712.93 × 55,327,094.99 - Step 4: Simplify right side
171,911,755.39x = 14,267,071,448,132,162 - Step 5: Solve for x
x = 14,267,071,448,132,162/171,911,755.39 - Step 6: Final answer
x = 82,990,668.18
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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.