Finding the Fourth Proportional to 190,913,803.29, 286,253,506.63 and 74,192,873.69
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Solution
The fourth proportional to 190,913,803.29, 286,253,506.63 and 74,192,873.69 is: 111,243,764.96
Step by Step Solution
- Step 1: Write the proportion equation
190,913,803.29 : 286,253,506.63 = 74,192,873.69 : x - Step 2: Convert to fraction form
190,913,803.29/286,253,506.63 = 74,192,873.69/x - Step 3: Cross multiply
190,913,803.29x = 286,253,506.63 × 74,192,873.69 - Step 4: Simplify right side
190,913,803.29x = 21,237,970,261,527,544 - Step 5: Solve for x
x = 21,237,970,261,527,544/190,913,803.29 - Step 6: Final answer
x = 111,243,764.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.