Finding the Fourth Proportional to 115,232,394.41, 159,011,091.18 and 64,993,844.53
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Solution
The fourth proportional to 115,232,394.41, 159,011,091.18 and 64,993,844.53 is: 89,686,083.42
Step by Step Solution
- Step 1: Write the proportion equation
115,232,394.41 : 159,011,091.18 = 64,993,844.53 : x - Step 2: Convert to fraction form
115,232,394.41/159,011,091.18 = 64,993,844.53/x - Step 3: Cross multiply
115,232,394.41x = 159,011,091.18 × 64,993,844.53 - Step 4: Simplify right side
115,232,394.41x = 10,334,742,137,903,520 - Step 5: Solve for x
x = 10,334,742,137,903,520/115,232,394.41 - Step 6: Final answer
x = 89,686,083.42
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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.