Finding the Fourth Proportional to 42,368,215.78, 58,466,415.99 and 24,033,107.62
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Solution
The fourth proportional to 42,368,215.78, 58,466,415.99 and 24,033,107.62 is: 33,164,711.84
Step by Step Solution
- Step 1: Write the proportion equation
42,368,215.78 : 58,466,415.99 = 24,033,107.62 : x - Step 2: Convert to fraction form
42,368,215.78/58,466,415.99 = 24,033,107.62/x - Step 3: Cross multiply
42,368,215.78x = 58,466,415.99 × 24,033,107.62 - Step 4: Simplify right side
42,368,215.78x = 1,405,129,667,643,359 - Step 5: Solve for x
x = 1,405,129,667,643,359/42,368,215.78 - Step 6: Final answer
x = 33,164,711.84
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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.