Finding the Fourth Proportional to 96,980,166.09, 133,815,007.69 and 57,294,158.18
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Solution
The fourth proportional to 96,980,166.09, 133,815,007.69 and 57,294,158.18 is: 79,055,527.80
Step by Step Solution
- Step 1: Write the proportion equation
96,980,166.09 : 133,815,007.69 = 57,294,158.18 : x - Step 2: Convert to fraction form
96,980,166.09/133,815,007.69 = 57,294,158.18/x - Step 3: Cross multiply
96,980,166.09x = 133,815,007.69 × 57,294,158.18 - Step 4: Simplify right side
96,980,166.09x = 7,666,818,216,493,230 - Step 5: Solve for x
x = 7,666,818,216,493,230/96,980,166.09 - Step 6: Final answer
x = 79,055,527.80
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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.