Finding the Fourth Proportional to 178,950,715.49, 246,948,116.00 and 103,600,237.72
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Solution
The fourth proportional to 178,950,715.49, 246,948,116.00 and 103,600,237.72 is: 142,966,086.79
Step by Step Solution
- Step 1: Write the proportion equation
178,950,715.49 : 246,948,116.00 = 103,600,237.72 : x - Step 2: Convert to fraction form
178,950,715.49/246,948,116.00 = 103,600,237.72/x - Step 3: Cross multiply
178,950,715.49x = 246,948,116.00 × 103,600,237.72 - Step 4: Simplify right side
178,950,715.49x = 25,583,883,521,747,764 - Step 5: Solve for x
x = 25,583,883,521,747,764/178,950,715.49 - Step 6: Final answer
x = 142,966,086.79
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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.