Finding the Fourth Proportional to 81,010,572, 111,795,639.12 and 44,340,355.68
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Solution
The fourth proportional to 81,010,572, 111,795,639.12 and 44,340,355.68 is: 61,190,265.41
Step by Step Solution
- Step 1: Write the proportion equation
81,010,572 : 111,795,639.12 = 44,340,355.68 : x - Step 2: Convert to fraction form
81,010,572/111,795,639.12 = 44,340,355.68/x - Step 3: Cross multiply
81,010,572x = 111,795,639.12 × 44,340,355.68 - Step 4: Simplify right side
81,010,572x = 4,957,058,402,053,722 - Step 5: Solve for x
x = 4,957,058,402,053,722/81,010,572 - Step 6: Final answer
x = 61,190,265.41
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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.