Finding the Fourth Proportional to 53,796,689.40, 74,239,346.70 and 29,350,405.56
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Solution
The fourth proportional to 53,796,689.40, 74,239,346.70 and 29,350,405.56 is: 40,503,513.48
Step by Step Solution
- Step 1: Write the proportion equation
53,796,689.40 : 74,239,346.70 = 29,350,405.56 : x - Step 2: Convert to fraction form
53,796,689.40/74,239,346.70 = 29,350,405.56/x - Step 3: Cross multiply
53,796,689.40x = 74,239,346.70 × 29,350,405.56 - Step 4: Simplify right side
53,796,689.40x = 2,178,954,934,154,447.75 - Step 5: Solve for x
x = 2,178,954,934,154,447.75/53,796,689.40 - Step 6: Final answer
x = 40,503,513.48
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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.