Finding the Fourth Proportional to 64,829,398.39, 89,463,517.11 and 35,460,474.05
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Solution
The fourth proportional to 64,829,398.39, 89,463,517.11 and 35,460,474.05 is: 48,934,878.40
Step by Step Solution
- Step 1: Write the proportion equation
64,829,398.39 : 89,463,517.11 = 35,460,474.05 : x - Step 2: Convert to fraction form
64,829,398.39/89,463,517.11 = 35,460,474.05/x - Step 3: Cross multiply
64,829,398.39x = 89,463,517.11 × 35,460,474.05 - Step 4: Simplify right side
64,829,398.39x = 3,172,418,727,124,545 - Step 5: Solve for x
x = 3,172,418,727,124,545/64,829,398.39 - Step 6: Final answer
x = 48,934,878.40
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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.