Finding the Fourth Proportional to 57,887,777.40, 79,885,290 and 31,783,986
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Solution
The fourth proportional to 57,887,777.40, 79,885,290 and 31,783,986 is: 43,861,986.99
Step by Step Solution
- Step 1: Write the proportion equation
57,887,777.40 : 79,885,290 = 31,783,986 : x - Step 2: Convert to fraction form
57,887,777.40/79,885,290 = 31,783,986/x - Step 3: Cross multiply
57,887,777.40x = 79,885,290 × 31,783,986 - Step 4: Simplify right side
57,887,777.40x = 2,539,072,938,965,940 - Step 5: Solve for x
x = 2,539,072,938,965,940/57,887,777.40 - Step 6: Final answer
x = 43,861,986.99
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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.