Finding the Fourth Proportional to 122,090,164.60, 183,135,246.90 and 83,348,115.70
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Solution
The fourth proportional to 122,090,164.60, 183,135,246.90 and 83,348,115.70 is: 125,022,173.55
Step by Step Solution
- Step 1: Write the proportion equation
122,090,164.60 : 183,135,246.90 = 83,348,115.70 : x - Step 2: Convert to fraction form
122,090,164.60/183,135,246.90 = 83,348,115.70/x - Step 3: Cross multiply
122,090,164.60x = 183,135,246.90 × 83,348,115.70 - Step 4: Simplify right side
122,090,164.60x = 15,263,977,747,369,268 - Step 5: Solve for x
x = 15,263,977,747,369,268/122,090,164.60 - Step 6: Final answer
x = 125,022,173.55
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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.