Finding the Fourth Proportional to 91,137,164.18, 136,688,327.82 and 27,311,756.18
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Solution
The fourth proportional to 91,137,164.18, 136,688,327.82 and 27,311,756.18 is: 40,962,414.35
Step by Step Solution
- Step 1: Write the proportion equation
91,137,164.18 : 136,688,327.82 = 27,311,756.18 : x - Step 2: Convert to fraction form
91,137,164.18/136,688,327.82 = 27,311,756.18/x - Step 3: Cross multiply
91,137,164.18x = 136,688,327.82 × 27,311,756.18 - Step 4: Simplify right side
91,137,164.18x = 3,733,198,282,071,750.50 - Step 5: Solve for x
x = 3,733,198,282,071,750.50/91,137,164.18 - Step 6: Final answer
x = 40,962,414.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.