Finding the Fourth Proportional to 149,781,843.63, 206,699,224.29 and 83,702,341.98
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Solution
The fourth proportional to 149,781,843.63, 206,699,224.29 and 83,702,341.98 is: 115,509,388.45
Step by Step Solution
- Step 1: Write the proportion equation
149,781,843.63 : 206,699,224.29 = 83,702,341.98 : x - Step 2: Convert to fraction form
149,781,843.63/206,699,224.29 = 83,702,341.98/x - Step 3: Cross multiply
149,781,843.63x = 206,699,224.29 × 83,702,341.98 - Step 4: Simplify right side
149,781,843.63x = 17,301,209,158,522,302 - Step 5: Solve for x
x = 17,301,209,158,522,302/149,781,843.63 - Step 6: Final answer
x = 115,509,388.45
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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.