Finding the Fourth Proportional to 56,751,515.58, 78,235,126.19 and 40,425,648.06
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Solution
The fourth proportional to 56,751,515.58, 78,235,126.19 and 40,425,648.06 is: 55,729,008.20
Step by Step Solution
- Step 1: Write the proportion equation
56,751,515.58 : 78,235,126.19 = 40,425,648.06 : x - Step 2: Convert to fraction form
56,751,515.58/78,235,126.19 = 40,425,648.06/x - Step 3: Cross multiply
56,751,515.58x = 78,235,126.19 × 40,425,648.06 - Step 4: Simplify right side
56,751,515.58x = 3,162,705,677,286,629 - Step 5: Solve for x
x = 3,162,705,677,286,629/56,751,515.58 - Step 6: Final answer
x = 55,729,008.20
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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.