Finding the Fourth Proportional to 57,378,703.33, 79,182,670.71 and 31,273,242.49
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Solution
The fourth proportional to 57,378,703.33, 79,182,670.71 and 31,273,242.49 is: 43,157,107.40
Step by Step Solution
- Step 1: Write the proportion equation
57,378,703.33 : 79,182,670.71 = 31,273,242.49 : x - Step 2: Convert to fraction form
57,378,703.33/79,182,670.71 = 31,273,242.49/x - Step 3: Cross multiply
57,378,703.33x = 79,182,670.71 × 31,273,242.49 - Step 4: Simplify right side
57,378,703.33x = 2,476,298,862,119,650 - Step 5: Solve for x
x = 2,476,298,862,119,650/57,378,703.33 - Step 6: Final answer
x = 43,157,107.40
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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.