Finding the Fourth Proportional to 137,657,551.91, 206,488,517.49 and 76,634,575.63
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Solution
The fourth proportional to 137,657,551.91, 206,488,517.49 and 76,634,575.63 is: 114,953,082.42
Step by Step Solution
- Step 1: Write the proportion equation
137,657,551.91 : 206,488,517.49 = 76,634,575.63 : x - Step 2: Convert to fraction form
137,657,551.91/206,488,517.49 = 76,634,575.63/x - Step 3: Cross multiply
137,657,551.91x = 206,488,517.49 × 76,634,575.63 - Step 4: Simplify right side
137,657,551.91x = 15,824,159,909,797,762 - Step 5: Solve for x
x = 15,824,159,909,797,762/137,657,551.91 - Step 6: Final answer
x = 114,953,082.42
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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.