Finding the Fourth Proportional to 85,531,173.60, 118,033,896.70 and 46,373,026.08
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Solution
The fourth proportional to 85,531,173.60, 118,033,896.70 and 46,373,026.08 is: 63,995,251.55
Step by Step Solution
- Step 1: Write the proportion equation
85,531,173.60 : 118,033,896.70 = 46,373,026.08 : x - Step 2: Convert to fraction form
85,531,173.60/118,033,896.70 = 46,373,026.08/x - Step 3: Cross multiply
85,531,173.60x = 118,033,896.70 × 46,373,026.08 - Step 4: Simplify right side
85,531,173.60x = 5,473,588,969,993,126 - Step 5: Solve for x
x = 5,473,588,969,993,126/85,531,173.60 - Step 6: Final answer
x = 63,995,251.55
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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.