Finding the Fourth Proportional to 92,283,610.40, 138,425,415.60 and 87,804,634.40
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Solution
The fourth proportional to 92,283,610.40, 138,425,415.60 and 87,804,634.40 is: 131,706,951.60
Step by Step Solution
- Step 1: Write the proportion equation
92,283,610.40 : 138,425,415.60 = 87,804,634.40 : x - Step 2: Convert to fraction form
92,283,610.40/138,425,415.60 = 87,804,634.40/x - Step 3: Cross multiply
92,283,610.40x = 138,425,415.60 × 87,804,634.40 - Step 4: Simplify right side
92,283,610.40x = 12,154,393,008,426,056 - Step 5: Solve for x
x = 12,154,393,008,426,056/92,283,610.40 - Step 6: Final answer
x = 131,706,951.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.