Finding the Fourth Proportional to 149,781,843.64, 206,699,224.29 and 83,702,341.97
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Solution
The fourth proportional to 149,781,843.64, 206,699,224.29 and 83,702,341.97 is: 115,509,388.43
Step by Step Solution
- Step 1: Write the proportion equation
149,781,843.64 : 206,699,224.29 = 83,702,341.97 : x - Step 2: Convert to fraction form
149,781,843.64/206,699,224.29 = 83,702,341.97/x - Step 3: Cross multiply
149,781,843.64x = 206,699,224.29 × 83,702,341.97 - Step 4: Simplify right side
149,781,843.64x = 17,301,209,156,455,310 - Step 5: Solve for x
x = 17,301,209,156,455,310/149,781,843.64 - Step 6: Final answer
x = 115,509,388.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.