Finding the Fourth Proportional to 57,954,949.30, 86,942,921.55 and 29,128,539.70
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Solution
The fourth proportional to 57,954,949.30, 86,942,921.55 and 29,128,539.70 is: 43,698,085.71
Step by Step Solution
- Step 1: Write the proportion equation
57,954,949.30 : 86,942,921.55 = 29,128,539.70 : x - Step 2: Convert to fraction form
57,954,949.30/86,942,921.55 = 29,128,539.70/x - Step 3: Cross multiply
57,954,949.30x = 86,942,921.55 × 29,128,539.70 - Step 4: Simplify right side
57,954,949.30x = 2,532,520,342,003,160.50 - Step 5: Solve for x
x = 2,532,520,342,003,160.50/57,954,949.30 - Step 6: Final answer
x = 43,698,085.71
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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.