Finding the Fourth Proportional to 43,313,338.80, 59,750,051.28 and 29,369,976.72
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Solution
The fourth proportional to 43,313,338.80, 59,750,051.28 and 29,369,976.72 is: 40,515,408.50
Step by Step Solution
- Step 1: Write the proportion equation
43,313,338.80 : 59,750,051.28 = 29,369,976.72 : x - Step 2: Convert to fraction form
43,313,338.80/59,750,051.28 = 29,369,976.72/x - Step 3: Cross multiply
43,313,338.80x = 59,750,051.28 × 29,369,976.72 - Step 4: Simplify right side
43,313,338.80x = 1,754,857,615,112,406.25 - Step 5: Solve for x
x = 1,754,857,615,112,406.25/43,313,338.80 - Step 6: Final answer
x = 40,515,408.50
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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.