Finding the Fourth Proportional to 115,232,394.91, 159,011,091.87 and 64,993,845.03
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Solution
The fourth proportional to 115,232,394.91, 159,011,091.87 and 64,993,845.03 is: 89,686,084.12
Step by Step Solution
- Step 1: Write the proportion equation
115,232,394.91 : 159,011,091.87 = 64,993,845.03 : x - Step 2: Convert to fraction form
115,232,394.91/159,011,091.87 = 64,993,845.03/x - Step 3: Cross multiply
115,232,394.91x = 159,011,091.87 × 64,993,845.03 - Step 4: Simplify right side
115,232,394.91x = 10,334,742,263,049,874 - Step 5: Solve for x
x = 10,334,742,263,049,874/115,232,394.91 - Step 6: Final answer
x = 89,686,084.12
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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.