Finding the Fourth Proportional to 42,357,836.63, 58,451,358.84 and 23,771,241.23
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Solution
The fourth proportional to 42,357,836.63, 58,451,358.84 and 23,771,241.23 is: 32,802,934.75
Step by Step Solution
- Step 1: Write the proportion equation
42,357,836.63 : 58,451,358.84 = 23,771,241.23 : x - Step 2: Convert to fraction form
42,357,836.63/58,451,358.84 = 23,771,241.23/x - Step 3: Cross multiply
42,357,836.63x = 58,451,358.84 × 23,771,241.23 - Step 4: Simplify right side
42,357,836.63x = 1,389,461,351,206,933 - Step 5: Solve for x
x = 1,389,461,351,206,933/42,357,836.63 - Step 6: Final answer
x = 32,802,934.75
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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.