Finding the Fourth Proportional to 218,459,843.99, 327,692,605.70 and 72,893,405.38
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Solution
The fourth proportional to 218,459,843.99, 327,692,605.70 and 72,893,405.38 is: 109,341,055.59
Step by Step Solution
- Step 1: Write the proportion equation
218,459,843.99 : 327,692,605.70 = 72,893,405.38 : x - Step 2: Convert to fraction form
218,459,843.99/327,692,605.70 = 72,893,405.38/x - Step 3: Cross multiply
218,459,843.99x = 327,692,605.70 × 72,893,405.38 - Step 4: Simplify right side
218,459,843.99x = 23,886,629,946,344,500 - Step 5: Solve for x
x = 23,886,629,946,344,500/218,459,843.99 - Step 6: Final answer
x = 109,341,055.59
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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.