Finding the Fourth Proportional to 106,840,812.75, 147,440,331.32 and 60,430,067.79
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Solution
The fourth proportional to 106,840,812.75, 147,440,331.32 and 60,430,067.79 is: 83,393,499.05
Step by Step Solution
- Step 1: Write the proportion equation
106,840,812.75 : 147,440,331.32 = 60,430,067.79 : x - Step 2: Convert to fraction form
106,840,812.75/147,440,331.32 = 60,430,067.79/x - Step 3: Cross multiply
106,840,812.75x = 147,440,331.32 × 60,430,067.79 - Step 4: Simplify right side
106,840,812.75x = 8,909,829,216,345,510 - Step 5: Solve for x
x = 8,909,829,216,345,510/106,840,812.75 - Step 6: Final answer
x = 83,393,499.05
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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.