Finding the Fourth Proportional to 229,012,578.99, 316,147,127.36 and 140,982,034.55
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Solution
The fourth proportional to 229,012,578.99, 316,147,127.36 and 140,982,034.55 is: 194,622,781.97
Step by Step Solution
- Step 1: Write the proportion equation
229,012,578.99 : 316,147,127.36 = 140,982,034.55 : x - Step 2: Convert to fraction form
229,012,578.99/316,147,127.36 = 140,982,034.55/x - Step 3: Cross multiply
229,012,578.99x = 316,147,127.36 × 140,982,034.55 - Step 4: Simplify right side
229,012,578.99x = 44,571,065,230,065,120 - Step 5: Solve for x
x = 44,571,065,230,065,120/229,012,578.99 - Step 6: Final answer
x = 194,622,781.97
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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.