Finding the Fourth Proportional to 85,955,878.20, 128,933,857.22 and 27,663,548.00
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Solution
The fourth proportional to 85,955,878.20, 128,933,857.22 and 27,663,548.00 is: 41,495,334.84
Step by Step Solution
- Step 1: Write the proportion equation
85,955,878.20 : 128,933,857.22 = 27,663,548.00 : x - Step 2: Convert to fraction form
85,955,878.20/128,933,857.22 = 27,663,548.00/x - Step 3: Cross multiply
85,955,878.20x = 128,933,857.22 × 27,663,548.00 - Step 4: Simplify right side
85,955,878.20x = 3,566,767,947,247,630 - Step 5: Solve for x
x = 3,566,767,947,247,630/85,955,878.20 - Step 6: Final answer
x = 41,495,334.84
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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.