Finding the Fourth Proportional to 205,305,641.58, 283,310,951.31 and 117,196,135.50
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Solution
The fourth proportional to 205,305,641.58, 283,310,951.31 and 117,196,135.50 is: 161,724,482.50
Step by Step Solution
- Step 1: Write the proportion equation
205,305,641.58 : 283,310,951.31 = 117,196,135.50 : x - Step 2: Convert to fraction form
205,305,641.58/283,310,951.31 = 117,196,135.50/x - Step 3: Cross multiply
205,305,641.58x = 283,310,951.31 × 117,196,135.50 - Step 4: Simplify right side
205,305,641.58x = 33,202,948,638,360,664 - Step 5: Solve for x
x = 33,202,948,638,360,664/205,305,641.58 - Step 6: Final answer
x = 161,724,482.50
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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.