Finding the Fourth Proportional to 110,119,863.42, 151,922,403.24 and 63,051,784.02
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Solution
The fourth proportional to 110,119,863.42, 151,922,403.24 and 63,051,784.02 is: 86,986,836.52
Step by Step Solution
- Step 1: Write the proportion equation
110,119,863.42 : 151,922,403.24 = 63,051,784.02 : x - Step 2: Convert to fraction form
110,119,863.42/151,922,403.24 = 63,051,784.02/x - Step 3: Cross multiply
110,119,863.42x = 151,922,403.24 × 63,051,784.02 - Step 4: Simplify right side
110,119,863.42x = 9,578,978,556,651,386 - Step 5: Solve for x
x = 9,578,978,556,651,386/110,119,863.42 - Step 6: Final answer
x = 86,986,836.52
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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.