Finding the Fourth Proportional to 118,787,321.19, 178,181,313.95 and 36,918,170.84
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Solution
The fourth proportional to 118,787,321.19, 178,181,313.95 and 36,918,170.84 is: 55,377,359.49
Step by Step Solution
- Step 1: Write the proportion equation
118,787,321.19 : 178,181,313.95 = 36,918,170.84 : x - Step 2: Convert to fraction form
118,787,321.19/178,181,313.95 = 36,918,170.84/x - Step 3: Cross multiply
118,787,321.19x = 178,181,313.95 × 36,918,170.84 - Step 4: Simplify right side
118,787,321.19x = 6,578,128,188,901,775 - Step 5: Solve for x
x = 6,578,128,188,901,775/118,787,321.19 - Step 6: Final answer
x = 55,377,359.49
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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.