Finding the Fourth Proportional to 218,730,359.97, 328,167,383.04 and 89,446,707.90
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Solution
The fourth proportional to 218,730,359.97, 328,167,383.04 and 89,446,707.90 is: 134,199,441.07
Step by Step Solution
- Step 1: Write the proportion equation
218,730,359.97 : 328,167,383.04 = 89,446,707.90 : x - Step 2: Convert to fraction form
218,730,359.97/328,167,383.04 = 89,446,707.90/x - Step 3: Cross multiply
218,730,359.97x = 328,167,383.04 × 89,446,707.90 - Step 4: Simplify right side
218,730,359.97x = 29,353,492,053,086,296 - Step 5: Solve for x
x = 29,353,492,053,086,296/218,730,359.97 - Step 6: Final answer
x = 134,199,441.07
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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.