Finding the Fourth Proportional to 57,954,948.30, 86,942,920.05 and 29,128,538.70
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Solution
The fourth proportional to 57,954,948.30, 86,942,920.05 and 29,128,538.70 is: 43,698,084.21
Step by Step Solution
- Step 1: Write the proportion equation
57,954,948.30 : 86,942,920.05 = 29,128,538.70 : x - Step 2: Convert to fraction form
57,954,948.30/86,942,920.05 = 29,128,538.70/x - Step 3: Cross multiply
57,954,948.30x = 86,942,920.05 × 29,128,538.70 - Step 4: Simplify right side
57,954,948.30x = 2,532,520,211,367,431 - Step 5: Solve for x
x = 2,532,520,211,367,431/57,954,948.30 - Step 6: Final answer
x = 43,698,084.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.