Finding the Fourth Proportional to 122,090,415.10, 183,135,622.65 and 83,348,366.20
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Solution
The fourth proportional to 122,090,415.10, 183,135,622.65 and 83,348,366.20 is: 125,022,549.30
Step by Step Solution
- Step 1: Write the proportion equation
122,090,415.10 : 183,135,622.65 = 83,348,366.20 : x - Step 2: Convert to fraction form
122,090,415.10/183,135,622.65 = 83,348,366.20/x - Step 3: Cross multiply
122,090,415.10x = 183,135,622.65 × 83,348,366.20 - Step 4: Simplify right side
122,090,415.10x = 15,264,054,940,897,216 - Step 5: Solve for x
x = 15,264,054,940,897,216/122,090,415.10 - Step 6: Final answer
x = 125,022,549.30
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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.