Finding the Fourth Proportional to 42,212,107.38, 63,329,077.64 and 24,719,437.38
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Solution
The fourth proportional to 42,212,107.38, 63,329,077.64 and 24,719,437.38 is: 37,085,548.82
Step by Step Solution
- Step 1: Write the proportion equation
42,212,107.38 : 63,329,077.64 = 24,719,437.38 : x - Step 2: Convert to fraction form
42,212,107.38/63,329,077.64 = 24,719,437.38/x - Step 3: Cross multiply
42,212,107.38x = 63,329,077.64 × 24,719,437.38 - Step 4: Simplify right side
42,212,107.38x = 1,565,459,169,055,138.25 - Step 5: Solve for x
x = 1,565,459,169,055,138.25/42,212,107.38 - Step 6: Final answer
x = 37,085,548.82
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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.