Finding the Fourth Proportional to 76,536,950.75, 114,732,694.36 and 48,792,991.33
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Solution
The fourth proportional to 76,536,950.75, 114,732,694.36 and 48,792,991.33 is: 73,143,119.85
Step by Step Solution
- Step 1: Write the proportion equation
76,536,950.75 : 114,732,694.36 = 48,792,991.33 : x - Step 2: Convert to fraction form
76,536,950.75/114,732,694.36 = 48,792,991.33/x - Step 3: Cross multiply
76,536,950.75x = 114,732,694.36 × 48,792,991.33 - Step 4: Simplify right side
76,536,950.75x = 5,598,151,360,931,055 - Step 5: Solve for x
x = 5,598,151,360,931,055/76,536,950.75 - Step 6: Final answer
x = 73,143,119.85
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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.