Finding the Fourth Proportional to 129,034,539.30, 193,551,808.95 and 33,296,427.30
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Solution
The fourth proportional to 129,034,539.30, 193,551,808.95 and 33,296,427.30 is: 49,944,640.95
Step by Step Solution
- Step 1: Write the proportion equation
129,034,539.30 : 193,551,808.95 = 33,296,427.30 : x - Step 2: Convert to fraction form
129,034,539.30/193,551,808.95 = 33,296,427.30/x - Step 3: Cross multiply
129,034,539.30x = 193,551,808.95 × 33,296,427.30 - Step 4: Simplify right side
129,034,539.30x = 6,444,583,735,487,164 - Step 5: Solve for x
x = 6,444,583,735,487,164/129,034,539.30 - Step 6: Final answer
x = 49,944,640.95
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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.