Finding the Fourth Proportional to 81,967,574.29, 113,115,362.75 and 47,159,566.60
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Solution
The fourth proportional to 81,967,574.29, 113,115,362.75 and 47,159,566.60 is: 65,080,265.33
Step by Step Solution
- Step 1: Write the proportion equation
81,967,574.29 : 113,115,362.75 = 47,159,566.60 : x - Step 2: Convert to fraction form
81,967,574.29/113,115,362.75 = 47,159,566.60/x - Step 3: Cross multiply
81,967,574.29x = 113,115,362.75 × 47,159,566.60 - Step 4: Simplify right side
81,967,574.29x = 5,334,471,482,855,987 - Step 5: Solve for x
x = 5,334,471,482,855,987/81,967,574.29 - Step 6: Final answer
x = 65,080,265.33
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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.