Finding the Fourth Proportional to 84,559,611.12, 116,690,278.64 and 49,754,555.88
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Solution
The fourth proportional to 84,559,611.12, 116,690,278.64 and 49,754,555.88 is: 68,660,119.32
Step by Step Solution
- Step 1: Write the proportion equation
84,559,611.12 : 116,690,278.64 = 49,754,555.88 : x - Step 2: Convert to fraction form
84,559,611.12/116,690,278.64 = 49,754,555.88/x - Step 3: Cross multiply
84,559,611.12x = 116,690,278.64 × 49,754,555.88 - Step 4: Simplify right side
84,559,611.12x = 5,805,872,989,246,651 - Step 5: Solve for x
x = 5,805,872,989,246,651/84,559,611.12 - Step 6: Final answer
x = 68,660,119.32
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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.