Finding the Fourth Proportional to 85,358,804.00, 128,038,542.21 and 20,662,505.19
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Solution
The fourth proportional to 85,358,804.00, 128,038,542.21 and 20,662,505.19 is: 30,993,839.17
Step by Step Solution
- Step 1: Write the proportion equation
85,358,804.00 : 128,038,542.21 = 20,662,505.19 : x - Step 2: Convert to fraction form
85,358,804.00/128,038,542.21 = 20,662,505.19/x - Step 3: Cross multiply
85,358,804.00x = 128,038,542.21 × 20,662,505.19 - Step 4: Simplify right side
85,358,804.00x = 2,645,597,042,934,159 - Step 5: Solve for x
x = 2,645,597,042,934,159/85,358,804.00 - Step 6: Final answer
x = 30,993,839.17
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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.