Finding the Fourth Proportional to 138,158,328.84, 190,589,664.62 and 82,364,435.04
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Solution
The fourth proportional to 138,158,328.84, 190,589,664.62 and 82,364,435.04 is: 113,621,887.17
Step by Step Solution
- Step 1: Write the proportion equation
138,158,328.84 : 190,589,664.62 = 82,364,435.04 : x - Step 2: Convert to fraction form
138,158,328.84/190,589,664.62 = 82,364,435.04/x - Step 3: Cross multiply
138,158,328.84x = 190,589,664.62 × 82,364,435.04 - Step 4: Simplify right side
138,158,328.84x = 15,697,810,050,477,556 - Step 5: Solve for x
x = 15,697,810,050,477,556/138,158,328.84 - Step 6: Final answer
x = 113,621,887.17
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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.