Finding the Fourth Proportional to 50,473,708.14, 69,653,907.61 and 31,897,103.75
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Solution
The fourth proportional to 50,473,708.14, 69,653,907.61 and 31,897,103.75 is: 44,018,123.48
Step by Step Solution
- Step 1: Write the proportion equation
50,473,708.14 : 69,653,907.61 = 31,897,103.75 : x - Step 2: Convert to fraction form
50,473,708.14/69,653,907.61 = 31,897,103.75/x - Step 3: Cross multiply
50,473,708.14x = 69,653,907.61 × 31,897,103.75 - Step 4: Simplify right side
50,473,708.14x = 2,221,757,917,201,072.25 - Step 5: Solve for x
x = 2,221,757,917,201,072.25/50,473,708.14 - Step 6: Final answer
x = 44,018,123.48
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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.