Finding the Fourth Proportional to 150,482,927.92, 207,649,836.90 and 84,389,825.26
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Solution
The fourth proportional to 150,482,927.92, 207,649,836.90 and 84,389,825.26 is: 116,448,647.65
Step by Step Solution
- Step 1: Write the proportion equation
150,482,927.92 : 207,649,836.90 = 84,389,825.26 : x - Step 2: Convert to fraction form
150,482,927.92/207,649,836.90 = 84,389,825.26/x - Step 3: Cross multiply
150,482,927.92x = 207,649,836.90 × 84,389,825.26 - Step 4: Simplify right side
150,482,927.92x = 17,523,533,451,258,502 - Step 5: Solve for x
x = 17,523,533,451,258,502/150,482,927.92 - Step 6: Final answer
x = 116,448,647.65
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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.