Finding the Fourth Proportional to 81,823,726.08, 112,919,135.87 and 44,656,390.22
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Solution
The fourth proportional to 81,823,726.08, 112,919,135.87 and 44,656,390.22 is: 61,627,124.99
Step by Step Solution
- Step 1: Write the proportion equation
81,823,726.08 : 112,919,135.87 = 44,656,390.22 : x - Step 2: Convert to fraction form
81,823,726.08/112,919,135.87 = 44,656,390.22/x - Step 3: Cross multiply
81,823,726.08x = 112,919,135.87 × 44,656,390.22 - Step 4: Simplify right side
81,823,726.08x = 5,042,560,994,262,965 - Step 5: Solve for x
x = 5,042,560,994,262,965/81,823,726.08 - Step 6: Final answer
x = 61,627,124.99
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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.