Finding the Fourth Proportional to 122,090,434.35, 183,135,651.53 and 83,348,385.45
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Solution
The fourth proportional to 122,090,434.35, 183,135,651.53 and 83,348,385.45 is: 125,022,578.18
Step by Step Solution
- Step 1: Write the proportion equation
122,090,434.35 : 183,135,651.53 = 83,348,385.45 : x - Step 2: Convert to fraction form
122,090,434.35/183,135,651.53 = 83,348,385.45/x - Step 3: Cross multiply
122,090,434.35x = 183,135,651.53 × 83,348,385.45 - Step 4: Simplify right side
122,090,434.35x = 15,264,060,872,942,582 - Step 5: Solve for x
x = 15,264,060,872,942,582/122,090,434.35 - Step 6: Final answer
x = 125,022,578.18
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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.