Finding the Fourth Proportional to 180,558,914.04, 249,247,584.81 and 121,901,037.12
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Solution
The fourth proportional to 180,558,914.04, 249,247,584.81 and 121,901,037.12 is: 168,274,932.59
Step by Step Solution
- Step 1: Write the proportion equation
180,558,914.04 : 249,247,584.81 = 121,901,037.12 : x - Step 2: Convert to fraction form
180,558,914.04/249,247,584.81 = 121,901,037.12/x - Step 3: Cross multiply
180,558,914.04x = 249,247,584.81 × 121,901,037.12 - Step 4: Simplify right side
180,558,914.04x = 30,383,539,087,994,160 - Step 5: Solve for x
x = 30,383,539,087,994,160/180,558,914.04 - Step 6: Final answer
x = 168,274,932.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.