Finding the Fourth Proportional to 272,283,570.52, 408,430,954.52 and 90,532,330.84
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Solution
The fourth proportional to 272,283,570.52, 408,430,954.52 and 90,532,330.84 is: 135,800,357.80
Step by Step Solution
- Step 1: Write the proportion equation
272,283,570.52 : 408,430,954.52 = 90,532,330.84 : x - Step 2: Convert to fraction form
272,283,570.52/408,430,954.52 = 90,532,330.84/x - Step 3: Cross multiply
272,283,570.52x = 408,430,954.52 × 90,532,330.84 - Step 4: Simplify right side
272,283,570.52x = 36,976,206,299,901,632 - Step 5: Solve for x
x = 36,976,206,299,901,632/272,283,570.52 - Step 6: Final answer
x = 135,800,357.80
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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.