Finding the Fourth Proportional to 141,767,230.20, 212,331,980.70 and 84,371,602.20
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Solution
The fourth proportional to 141,767,230.20, 212,331,980.70 and 84,371,602.20 is: 126,367,633.65
Step by Step Solution
- Step 1: Write the proportion equation
141,767,230.20 : 212,331,980.70 = 84,371,602.20 : x - Step 2: Convert to fraction form
141,767,230.20/212,331,980.70 = 84,371,602.20/x - Step 3: Cross multiply
141,767,230.20x = 212,331,980.70 × 84,371,602.20 - Step 4: Simplify right side
141,767,230.20x = 17,914,789,409,958,478 - Step 5: Solve for x
x = 17,914,789,409,958,478/141,767,230.20 - Step 6: Final answer
x = 126,367,633.65
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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.