Finding the Fourth Proportional to 83,162,991.16, 124,135,368.53 and 73,345,635.64
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Solution
The fourth proportional to 83,162,991.16, 124,135,368.53 and 73,345,635.64 is: 109,481,241.39
Step by Step Solution
- Step 1: Write the proportion equation
83,162,991.16 : 124,135,368.53 = 73,345,635.64 : x - Step 2: Convert to fraction form
83,162,991.16/124,135,368.53 = 73,345,635.64/x - Step 3: Cross multiply
83,162,991.16x = 124,135,368.53 × 73,345,635.64 - Step 4: Simplify right side
83,162,991.16x = 9,104,787,510,238,502 - Step 5: Solve for x
x = 9,104,787,510,238,502/83,162,991.16 - Step 6: Final answer
x = 109,481,241.39
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.