Finding the Fourth Proportional to 68,829,854.40, 94,986,414.72 and 37,468,810.08
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Solution
The fourth proportional to 68,829,854.40, 94,986,414.72 and 37,468,810.08 is: 51,707,619.67
Step by Step Solution
- Step 1: Write the proportion equation
68,829,854.40 : 94,986,414.72 = 37,468,810.08 : x - Step 2: Convert to fraction form
68,829,854.40/94,986,414.72 = 37,468,810.08/x - Step 3: Cross multiply
68,829,854.40x = 94,986,414.72 × 37,468,810.08 - Step 4: Simplify right side
68,829,854.40x = 3,559,027,933,323,796 - Step 5: Solve for x
x = 3,559,027,933,323,796/68,829,854.40 - Step 6: Final answer
x = 51,707,619.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.