Finding the Fourth Proportional to 168,745,311.23, 232,866,814.06 and 93,391,787.51
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Solution
The fourth proportional to 168,745,311.23, 232,866,814.06 and 93,391,787.51 is: 128,879,717.35
Step by Step Solution
- Step 1: Write the proportion equation
168,745,311.23 : 232,866,814.06 = 93,391,787.51 : x - Step 2: Convert to fraction form
168,745,311.23/232,866,814.06 = 93,391,787.51/x - Step 3: Cross multiply
168,745,311.23x = 232,866,814.06 × 93,391,787.51 - Step 4: Simplify right side
168,745,311.23x = 21,747,848,015,424,388 - Step 5: Solve for x
x = 21,747,848,015,424,388/168,745,311.23 - Step 6: Final answer
x = 128,879,717.35
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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.