Finding the Fourth Proportional to 84,235,982.06, 116,246,424.36 and 49,429,252.52
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Solution
The fourth proportional to 84,235,982.06, 116,246,424.36 and 49,429,252.52 is: 68,212,819.79
Step by Step Solution
- Step 1: Write the proportion equation
84,235,982.06 : 116,246,424.36 = 49,429,252.52 : x - Step 2: Convert to fraction form
84,235,982.06/116,246,424.36 = 49,429,252.52/x - Step 3: Cross multiply
84,235,982.06x = 116,246,424.36 × 49,429,252.52 - Step 4: Simplify right side
84,235,982.06x = 5,745,973,864,237,520 - Step 5: Solve for x
x = 5,745,973,864,237,520/84,235,982.06 - Step 6: Final answer
x = 68,212,819.79
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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.