Finding the Fourth Proportional to 85,025,923.18, 127,559,122.44 and 27,518,194.42
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Solution
The fourth proportional to 85,025,923.18, 127,559,122.44 and 27,518,194.42 is: 41,283,841.45
Step by Step Solution
- Step 1: Write the proportion equation
85,025,923.18 : 127,559,122.44 = 27,518,194.42 : x - Step 2: Convert to fraction form
85,025,923.18/127,559,122.44 = 27,518,194.42/x - Step 3: Cross multiply
85,025,923.18x = 127,559,122.44 × 27,518,194.42 - Step 4: Simplify right side
85,025,923.18x = 3,510,196,731,348,505 - Step 5: Solve for x
x = 3,510,196,731,348,505/85,025,923.18 - Step 6: Final answer
x = 41,283,841.45
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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.