Finding the Fourth Proportional to 162,485,476.77, 224,171,112.65 and 106,760,910.09
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Solution
The fourth proportional to 162,485,476.77, 224,171,112.65 and 106,760,910.09 is: 147,291,391.68
Step by Step Solution
- Step 1: Write the proportion equation
162,485,476.77 : 224,171,112.65 = 106,760,910.09 : x - Step 2: Convert to fraction form
162,485,476.77/224,171,112.65 = 106,760,910.09/x - Step 3: Cross multiply
162,485,476.77x = 224,171,112.65 × 106,760,910.09 - Step 4: Simplify right side
162,485,476.77x = 23,932,712,001,868,108 - Step 5: Solve for x
x = 23,932,712,001,868,108/162,485,476.77 - Step 6: Final answer
x = 147,291,391.68
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1.5x scale
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.