Finding the Fourth Proportional to 207,224,909.94, 286,099,434.28 and 131,913,731.13
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Solution
The fourth proportional to 207,224,909.94, 286,099,434.28 and 131,913,731.13 is: 182,123,104.12
Step by Step Solution
- Step 1: Write the proportion equation
207,224,909.94 : 286,099,434.28 = 131,913,731.13 : x - Step 2: Convert to fraction form
207,224,909.94/286,099,434.28 = 131,913,731.13/x - Step 3: Cross multiply
207,224,909.94x = 286,099,434.28 × 131,913,731.13 - Step 4: Simplify right side
207,224,909.94x = 37,740,443,850,057,016 - Step 5: Solve for x
x = 37,740,443,850,057,016/207,224,909.94 - Step 6: Final answer
x = 182,123,104.12
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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.