Finding the Fourth Proportional to 268,434,889.40, 402,525,115.70 and 93,496,912.49
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Solution
The fourth proportional to 268,434,889.40, 402,525,115.70 and 93,496,912.49 is: 140,201,058.07
Step by Step Solution
- Step 1: Write the proportion equation
268,434,889.40 : 402,525,115.70 = 93,496,912.49 : x - Step 2: Convert to fraction form
268,434,889.40/402,525,115.70 = 93,496,912.49/x - Step 3: Cross multiply
268,434,889.40x = 402,525,115.70 × 93,496,912.49 - Step 4: Simplify right side
268,434,889.40x = 37,634,855,515,149,912 - Step 5: Solve for x
x = 37,634,855,515,149,912/268,434,889.40 - Step 6: Final answer
x = 140,201,058.07
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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.