Finding the Fourth Proportional to 57,954,946.80, 86,942,917.80 and 29,128,537.20
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Solution
The fourth proportional to 57,954,946.80, 86,942,917.80 and 29,128,537.20 is: 43,698,081.96
Step by Step Solution
- Step 1: Write the proportion equation
57,954,946.80 : 86,942,917.80 = 29,128,537.20 : x - Step 2: Convert to fraction form
57,954,946.80/86,942,917.80 = 29,128,537.20/x - Step 3: Cross multiply
57,954,946.80x = 86,942,917.80 × 29,128,537.20 - Step 4: Simplify right side
57,954,946.80x = 2,532,520,015,413,842 - Step 5: Solve for x
x = 2,532,520,015,413,842/57,954,946.80 - Step 6: Final answer
x = 43,698,081.96
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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.