Finding the Fourth Proportional to 57,278,526.96, 85,817,538.36 and 39,023,463
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Solution
The fourth proportional to 57,278,526.96, 85,817,538.36 and 39,023,463 is: 58,466,893.45
Step by Step Solution
- Step 1: Write the proportion equation
57,278,526.96 : 85,817,538.36 = 39,023,463 : x - Step 2: Convert to fraction form
57,278,526.96/85,817,538.36 = 39,023,463/x - Step 3: Cross multiply
57,278,526.96x = 85,817,538.36 × 39,023,463 - Step 4: Simplify right side
57,278,526.96x = 3,348,897,532,942,540.50 - Step 5: Solve for x
x = 3,348,897,532,942,540.50/57,278,526.96 - Step 6: Final answer
x = 58,466,893.45
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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.