Finding the Fourth Proportional to 66,143,393.03, 91,282,995.27 and 39,682,742.67
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Solution
The fourth proportional to 66,143,393.03, 91,282,995.27 and 39,682,742.67 is: 54,765,252.37
Step by Step Solution
- Step 1: Write the proportion equation
66,143,393.03 : 91,282,995.27 = 39,682,742.67 : x - Step 2: Convert to fraction form
66,143,393.03/91,282,995.27 = 39,682,742.67/x - Step 3: Cross multiply
66,143,393.03x = 91,282,995.27 × 39,682,742.67 - Step 4: Simplify right side
66,143,393.03x = 3,622,359,611,446,237 - Step 5: Solve for x
x = 3,622,359,611,446,237/66,143,393.03 - Step 6: Final answer
x = 54,765,252.37
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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.