Finding the Fourth Proportional to 81,639,051.58, 112,661,897.34 and 44,969,622.58
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Solution
The fourth proportional to 81,639,051.58, 112,661,897.34 and 44,969,622.58 is: 62,058,082.55
Step by Step Solution
- Step 1: Write the proportion equation
81,639,051.58 : 112,661,897.34 = 44,969,622.58 : x - Step 2: Convert to fraction form
81,639,051.58/112,661,897.34 = 44,969,622.58/x - Step 3: Cross multiply
81,639,051.58x = 112,661,897.34 × 44,969,622.58 - Step 4: Simplify right side
81,639,051.58x = 5,066,363,002,526,506 - Step 5: Solve for x
x = 5,066,363,002,526,506/81,639,051.58 - Step 6: Final answer
x = 62,058,082.55
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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.