Finding the Fourth Proportional to 207,941,157.08, 286,958,866.20 and 113,861,254.28
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Solution
The fourth proportional to 207,941,157.08, 286,958,866.20 and 113,861,254.28 is: 157,128,568.92
Step by Step Solution
- Step 1: Write the proportion equation
207,941,157.08 : 286,958,866.20 = 113,861,254.28 : x - Step 2: Convert to fraction form
207,941,157.08/286,958,866.20 = 113,861,254.28/x - Step 3: Cross multiply
207,941,157.08x = 286,958,866.20 × 113,861,254.28 - Step 4: Simplify right side
207,941,157.08x = 32,673,496,432,298,696 - Step 5: Solve for x
x = 32,673,496,432,298,696/207,941,157.08 - Step 6: Final answer
x = 157,128,568.92
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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.