Finding the Fourth Proportional to 190,680,848.67, 286,023,930.21 and 54,366,232.17
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Solution
The fourth proportional to 190,680,848.67, 286,023,930.21 and 54,366,232.17 is: 81,550,105.87
Step by Step Solution
- Step 1: Write the proportion equation
190,680,848.67 : 286,023,930.21 = 54,366,232.17 : x - Step 2: Convert to fraction form
190,680,848.67/286,023,930.21 = 54,366,232.17/x - Step 3: Cross multiply
190,680,848.67x = 286,023,930.21 × 54,366,232.17 - Step 4: Simplify right side
190,680,848.67x = 15,550,043,395,972,736 - Step 5: Solve for x
x = 15,550,043,395,972,736/190,680,848.67 - Step 6: Final answer
x = 81,550,105.87
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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.