Finding the Fourth Proportional to 103,080,817.58, 154,284,771.81 and 75,779,877.74
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Solution
The fourth proportional to 103,080,817.58, 154,284,771.81 and 75,779,877.74 is: 113,422,471.99
Step by Step Solution
- Step 1: Write the proportion equation
103,080,817.58 : 154,284,771.81 = 75,779,877.74 : x - Step 2: Convert to fraction form
103,080,817.58/154,284,771.81 = 75,779,877.74/x - Step 3: Cross multiply
103,080,817.58x = 154,284,771.81 × 75,779,877.74 - Step 4: Simplify right side
103,080,817.58x = 11,691,681,144,905,598 - Step 5: Solve for x
x = 11,691,681,144,905,598/103,080,817.58 - Step 6: Final answer
x = 113,422,471.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.