Finding the Fourth Proportional to 193,544,356.70, 290,316,535.05 and 173,836,862.30
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Solution
The fourth proportional to 193,544,356.70, 290,316,535.05 and 173,836,862.30 is: 260,755,293.45
Step by Step Solution
- Step 1: Write the proportion equation
193,544,356.70 : 290,316,535.05 = 173,836,862.30 : x - Step 2: Convert to fraction form
193,544,356.70/290,316,535.05 = 173,836,862.30/x - Step 3: Cross multiply
193,544,356.70x = 290,316,535.05 × 173,836,862.30 - Step 4: Simplify right side
193,544,356.70x = 50,467,715,526,899,976 - Step 5: Solve for x
x = 50,467,715,526,899,976/193,544,356.70 - Step 6: Final answer
x = 260,755,293.45
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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.