Finding the Fourth Proportional to 272,259,648.99, 375,750,079.74 and 154,802,578.50
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Solution
The fourth proportional to 272,259,648.99, 375,750,079.74 and 154,802,578.50 is: 213,645,618.92
Step by Step Solution
- Step 1: Write the proportion equation
272,259,648.99 : 375,750,079.74 = 154,802,578.50 : x - Step 2: Convert to fraction form
272,259,648.99/375,750,079.74 = 154,802,578.50/x - Step 3: Cross multiply
272,259,648.99x = 375,750,079.74 × 154,802,578.50 - Step 4: Simplify right side
272,259,648.99x = 58,167,081,215,332,608 - Step 5: Solve for x
x = 58,167,081,215,332,608/272,259,648.99 - Step 6: Final answer
x = 213,645,618.92
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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.