Finding the Fourth Proportional to 77,006,584.77, 115,432,107.30 and 48,272,860.23
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Solution
The fourth proportional to 77,006,584.77, 115,432,107.30 and 48,272,860.23 is: 72,360,539.02
Step by Step Solution
- Step 1: Write the proportion equation
77,006,584.77 : 115,432,107.30 = 48,272,860.23 : x - Step 2: Convert to fraction form
77,006,584.77/115,432,107.30 = 48,272,860.23/x - Step 3: Cross multiply
77,006,584.77x = 115,432,107.30 × 48,272,860.23 - Step 4: Simplify right side
77,006,584.77x = 5,572,237,981,747,262 - Step 5: Solve for x
x = 5,572,237,981,747,262/77,006,584.77 - Step 6: Final answer
x = 72,360,539.02
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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.